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Weak selection in evolutionary biology is when individuals with different phenotypes possess similar fitness, i.e. one phenotype is weakly preferred over
Weak_selection
Interaction between subatomic particles
In nuclear physics and particle physics, the weak interaction, weak force or weak nuclear force, is one of the four known fundamental interactions, with
Weak_interaction
Principle relating genetic variance to fitness
introduced by Motoo Kimura in 1965 as an approximation in the case of weak selection and weak epistasis. Largely as a result of Fisher's feud with the American
Fisher's fundamental theorem of natural selection
Fisher's_fundamental_theorem_of_natural_selection
Young adult novel by Kiera Cass
The Selection is a young adult novel by Kiera Cass first published on April 14, 2012, by HarperCollins. It is the first in a five-book series, followed
The_Selection
Selection method in genetic algorithms
Tournament selection is a method of selecting an individual from a population of individuals in a evolutionary algorithm. Tournament selection involves
Tournament_selection
Allele equilibrium in a population when creation equals elimination by negative selection
{U_{d}}{s_{d}}}} . In the limit of weak selection w i = e − s k ≈ ( 1 − s ) k {\displaystyle w_{i}=e^{-sk}\approx (1-s)^{k}} . Mutation-selection balance is affected
Mutation–selection_balance
Reduced fitness as a result of inbreeding
influence, which can cause the fixation of sublethal alleles under weak selection. The fixation of a single allele for a specific gene can also reduce
Inbreeding_depression
Book by Robert E. Howard
adaptation" provided here. He characterized the collection overall as "a weak selection", although singling out two scenes as effective. A film adaptation is
King_Conan
Sorting for enslavement or extermination
weak or ill, were ineligible for "selection" and were immediately murdered. In addition to the initial selection upon arrival, subsequent selections would
Selection_(Holocaust)
Measure of evolutionary success
phenotype. This assumption of small mutational steps (otherwise known as δ-weak selection) is often made on the basis of Fisher's geometric model and underpins
Inclusive_fitness
1871 book by Charles Darwin
Galton, natural selection seemed to no longer act upon civilised communities in the way it did upon other animals: With savages, the weak in body or mind
The Descent of Man, and Selection in Relation to Sex
The_Descent_of_Man,_and_Selection_in_Relation_to_Sex
Mechanism of evolution by differential reproduction
form. However, natural selection remained controversial as a law or mechanism, partly because it was perceived to be too weak to explain the range of
Natural_selection
population genetic equations whilst making the assumption of weak selection and weak epistasis. Selection under these conditions rapidly changes allele frequencies
Quasi-linkage_equilibrium
Mathematical solution
In mathematics, a weak solution (also called a generalized solution) to an ordinary or partial differential equation is a function for which the derivatives
Weak_solution
Hypothesis about sapient life and the universe
defined two forms of the anthropic principle, a "weak" one that referred only to anthropic selection of privileged spacetime locations in the universe
Anthropic_principle
Paradox relating to kin selection
applies in cases of weak selection, which is an underlying assumption in deriving it. Other authors resolve the paradox for strong selection through a modified
Charlesworth's_paradox
Biological test for adaptive evolution
defined as a mutation that negative selection acts on only very weakly so that its fate is determined by both selection and random genetic drift. If slightly
McDonald–Kreitman_test
Mode of natural selection involving the choosing of and competition for mates
argued that it was a relatively weak form of selection. He argued that male–male competitions were forms of natural selection, but that the "drab" peahen's
Sexual_selection
Evolution of novel genes from non-genic DNA sequence
show that when sequences that are normally hidden are exposed to weak or shielded selection, the resulting pool of "cryptic" sequences (i.e. proto-genes)
De_novo_gene_birth
Quantity in quantum mechanics
state tomography. Direct state tomography uses weak measurements and post-selection, motivated by weak-value protocols, to reconstruct the quantum state
Weak_value
Nucleotide mutation that alters the amino acid sequence
drift, and very weak natural selection, and that it is extremely sensitive to population size. In order to determine whether natural selection is taking place
Nonsynonymous_substitution
Study of changes in DNA and RNA over time
are due at least in part to the ability of even weak selection to shape molecular evolution. Selection can also operate at the gene level at the expense
Molecular_evolution
Change in the heritable traits of populations
and Ronald Fisher argued that, because mutation is a weak pressure easily overcome by selection, tendencies of mutation would be ineffectual except under
Evolution
Doubt about God's existence
contrast between weak and strong agnosticism is sometimes framed as a claim about what is reasonable to believe. In this sense, weak agnosticism holds
Agnosticism
Form of reproduction where fertilization occurs outside of the female's body
male will fertilize any of the eggs. Broadcast spawners have a very weak selection, due to the randomness of releasing gametes. To look into the effect
External_fertilization
Selective trading based on possession of hidden information
adverse selection have been reported in health insurance, long-term care insurance, and annuity markets. Weak evidence of adverse selection in certain
Adverse_selection
2004 video game compilation
the average score is 74 out of 100 on Metacritic. Criticisms are the weaker selection of titles when compared to the previous volume, minor and major emulation
Midway_Arcade_Treasures_2
seeds from weeds and this will also remove small seeds, introducing a weak selection towards bigger kernels. Seed can also be sorted according to color or
Composite_cross_population
Algorithm that selects actions for intelligent agents
new problems based on solutions of past problems Model-based reasoning Synthetic intelligence Weak AI Behavior Selection Algorithms: An Overview v t e
Behavior_selection_algorithm
American art collector
his complaint to the Dade County Art in Public Places program "the weak selection process" by which the Pepper work was chosen. Previously, the 1980 development
Martin_Margulies
Modelling evolution using differential equations
Taylor, P D (1989). "Evolutionary stability in one-parameter mdels under weak selection". Theoretical Population Biology. 36 (2): 125–143. Bibcode:1989TPBio
Evolutionary_dynamics
Gravitational deflection of light
In astronomy, weak gravitational lensing is a technique to map the mass distribution of astronomical objects. As predicted by general relativity, the presence
Weak_gravitational_lensing
Species of lizard
theory on evolution heavily influenced the lack of limbs as a result of weak selection. The elongation in the body of the reptile preceded the legless feature
Anniella_pulchra
Immune cell
body's own antigens. Positive selection selects cells which are able to bind MHC class I or II molecules with at least a weak affinity. This eliminates (by
Thymocyte
Stochastic process used in biology to describe finite populations
the assumptions are fulfilled which may not be the case in reality. Weak Selection Moran, P. A. P. (1958). "Random processes in genetics". Mathematical
Moran_process
Mathematical method
analysis, a branch of mathematics, a selection theorem is a theorem that guarantees the existence of a single-valued selection function from a given set-valued
Selection_theorem
Formal constraint in quantum mechanics
is taken into account, the transitions are weakly allowed. In Raman and infrared spectroscopy, the selection rules predict certain vibrational modes to
Selection_rule
Species of bird in the Americas
pleiotropy says that strong selection for extra-pair paternity in males (as seen in this bird) overrides the weak selection against extra-pair paternity
Tree_swallow
Form of incorrect argument and informal fallacy
representative form; and a new form they call the selection form. The selection form focuses on a partial and weaker (and easier to refute) representation of the
Straw_man
1994 live album by Junko Onishi
downbeat and swings hard without losing its serious nature. There is not a weak selection in the bunch and the interplay between Onishi, bassist Reginald Veal
Live at the Village Vanguard (Junko Onishi album)
Live_at_the_Village_Vanguard_(Junko_Onishi_album)
On convergent subsequences of regulated functions
f_{n}(t)=\sin(nt).} One may ask, however, if a weaker selection theorem is true, and the Fraňková–Helly selection theorem is such a result. As before, let X
Fraňková–Helly selection theorem
Fraňková–Helly_selection_theorem
Unpredictable phenomenon in complex systems
subdivided into two perspectives, that of "weak emergence" and "strong emergence". One paper discussing this division is Weak Emergence, by philosopher Mark Bedau
Emergence
1968 studio album by Lee Morgan
review by Scott Yanow awarded the album 4½ stars stating "There are no weak selections on this set and the playing by the leader, Wayne Shorter on tenor,
The_Gigolo_(album)
Gene whose sequence partially overlaps the reading frame of another gene
their proteins to diverge significantly from the original when there's weak selection against amino acid change. The spacer domain of the polymerase and the
Overlapping_gene
Selection technique used in evolutionary algorithms
proportionate selection there is a chance some weaker solutions may survive the selection process. This is because even though the probability that the weaker solutions
Fitness proportionate selection
Fitness_proportionate_selection
Type of modifier gene
drift on populations, limited in genetic diversity, would overwhelm weak selection pressure acting on modifier alleles with nominal phenotypic consequences
Human_disease_modifier_gene
Game whose outcome can be correctly predicted
many game theorists believe that "ultra-weak" proofs are the deepest, most interesting and valuable. "Ultra-weak" proofs require a scholar to reason about
Solved_game
measurable selection theorem is a result from measure theory that gives a sufficient condition for a set-valued function to have a measurable selection function
Kuratowski and Ryll-Nardzewski measurable selection theorem
Kuratowski_and_Ryll-Nardzewski_measurable_selection_theorem
Spectroscopic selection rule
explains the intensities of absorption spectra for chemical species. It is a selection rule that rigorously applies to atoms, and to molecules that are centrosymmetric
Laporte_rule
Group of pseudoscientific theories and societal practices
power increase, while the weak should see their wealth and power decrease. Social Darwinist definitions of the strong and the weak vary, and differ on the
Social_Darwinism
Symptoms from excessive exposure to glucocorticoids such as cortisol
red face due to facial plethora, a fat lump between the shoulders, weak muscles, weak bones, acne, and fragile skin that heals poorly. Women may have more
Cushing's_syndrome
refused to award the Grand Prize that year on the basis on an excessively weak selection. The Texas Chain Saw Massacre took the Critics' Prize. In 1985, popular
Avoriaz International Fantastic Film Festival
Avoriaz_International_Fantastic_Film_Festival
Purification technique for biomolecules
buffer is then applied to remove non-target biomolecules by disrupting their weaker interactions with the stationary phase, while the biomolecules of interest
Affinity_chromatography
Hand game for two players or more
interact in a rock paper scissors style, where each selection is strong against a particular choice, but weak against another. Such mechanics can make a game
Rock_paper_scissors
Weakly optimal allocation of resources
good). A situation is weak Pareto efficient if it has no strong Pareto improvements. Any strong Pareto improvement is also a weak Pareto improvement. The
Pareto_efficiency
Sexual selection in scaled reptiles studies how sexual selection manifests in snakes and lizards, which constitute the order Squamata of reptiles. Each
Sexual selection in scaled reptiles
Sexual_selection_in_scaled_reptiles
Concept in game theory
Equilibrium selection is a concept from game theory which seeks to address reasons for players of a game to select a certain equilibrium over another
Equilibrium_selection
English naturalist and biologist (1809–1882)
of Man, Darwin noted that aiding the weak to survive and have families could lose the benefits of natural selection, but cautioned that withholding such
Charles_Darwin
Variant of one theory of evolution
subject to strong selection versus weaker selection in the 1990s, the nearly neutral theory and the interaction between selection and drift have once
Nearly neutral theory of molecular evolution
Nearly_neutral_theory_of_molecular_evolution
Sexual selection mechanism
Fisherian runaway or runaway selection is a sexual selection mechanism proposed by the mathematical biologist Ronald Fisher in the early 20th century
Fisherian_runaway
Paper-and-pencil game for two players
priorities in order to force the draw, or else to gain a win if X makes a weak play. More detailed, to guarantee a draw, O should adopt the following strategies:
Tic-tac-toe
Swiss artist based in Bern (born 1960)
Band 228, Köln, Germany, 2014. Kathleen Bühler: His- and Herstory, in: The Weak Sex – How art pictures the new male, Museum of Fine Arts Bern, Switzerland
Frantiček_Klossner
South Korean singer and actor (born 1997)
(2025) and Weak Hero Class 2 (2025). Lee has been noted for his remarkable acting skills paired with his diverse and unique role selections, earning him
Lee_Jun-young
Branch of machine learning
Key difficulties have been analyzed, including gradient diminishing and weak temporal correlation structure in neural predictive models. Additional difficulties
Deep_learning
Averages of repeated trials converge to the expected value
distributed random variables, it suffices that the expected value exists for the weak law of large numbers to be true. These further studies have given rise to
Law_of_large_numbers
Basketball player selection
first-round draft pick. The 2002 draft set a record of 17 international selections, with six of them coming in the first round. Two months after the conclusion
2002_NBA_draft
Logical paradox in decision-making theory
Stochastically stable equilibrium Weak evolutionarily stable strategy Games Chicken Stag hunt Applications Cultural group selection Fisher's principle Mobbing
Paradox_of_tolerance
Indian men's cricket team
Gavaskar were known for their defensive approach to batting. India began as a weak team in ODIs and did not qualify for the knockout stage in the first two
India_national_cricket_team
Chemical compound giving a proton or accepting an electron pair
sense) that are solids, liquids, or gases. Strong acids and some concentrated weak acids are corrosive, but there are exceptions such as carboranes and boric
Acid
American basketball player (born 1996)
coach. As a freshman, Brunson was an All–Lake County honorable mention selection in 2012, as Stevenson finished the season with a 17–11 record. During
Jalen_Brunson
Solution concept of a non-cooperative game
than one Nash equilibrium. Even if the equilibrium is unique, it might be weak: a player might be indifferent among several strategies given the other players'
Nash_equilibrium
Chemical compound
capability of phase selection over calcite and aragonite, and some organisms can switch between the two polymorphs. The ability of phase selection is usually attributed
Calcium_carbonate
Set of cryptographic algorithms by the NSA
software/firmware signing for use immediately Allows SHA-512 Announced the selection of CRYSTALS-Kyber and CRYSTALS-Dilithium early, with the expectation that
Commercial National Security Algorithm Suite
Commercial_National_Security_Algorithm_Suite
Dutch painter (1912–1974)
Alassio on the Italian Riviera. The reason for this stay was twofold: Rachel's weak health required a warm climate, and Fernhout wanted to study Renaissance
Edgar_Fernhout
Information-carrying connections between people
Interpersonal ties, generally, come in three varieties: strong, weak or absent. Weak social ties, it is argued, are responsible for the majority of the
Interpersonal_ties
Swedish footballer (born 1981)
the beginning of his first spell at Juventus [...] I noticed that he was weaker than I thought when he had to kick the ball and was not very strong in the
Zlatan_Ibrahimović
History of the field of study
subject to strong selection versus weaker selection in the 1990s, the nearly neutral theory and the interaction between selection and drift have once
History of molecular evolution
History_of_molecular_evolution
President of Russia (2000–2008; since 2012)
former leader of East Germany, said the Cold War never ended, adding: "After weak presidents like Gorbachev and Yeltsin, it is a great fortune for Russia that
Vladimir_Putin
NZ international rugby league player
side won 27-25 though Bickerton at five eighths was said to have been a “weak link” in the side. He returned to his Richmond side 3 days later in their
Noel_Bickerton
2013 compilation album by Gabrielle
as "Give Me a Little More Time," it is uneven overall, with some weaker selections, and functions primarily as a solid but inconsistent collection aimed
Now and Always: 20 Years of Dreaming
Now_and_Always:_20_Years_of_Dreaming
Country in northwestern Europe
(2007–2010) severely affected the British economy, and was followed by a period of weak growth and stagnation. The Cameron–Clegg coalition government of 2010 introduced
United_Kingdom
Decision rule used for minimizing the possible loss for a worst-case scenario
Stochastically stable equilibrium Weak evolutionarily stable strategy Games Chicken Stag hunt Applications Cultural group selection Fisher's principle Mobbing
Minimax
New Zealand international rugby league player
defeated Hamilton by 9 points to 5 and his form was good enough to gain selection for the South Auckland side. He was selected in the front row to play
Jim_Laird_(rugby_league)
American tennis player (born 1981)
aggressive return of serve; she neutralized powerful first serves, and attacked weak second serves. She is widely considered one of the greatest returners of
Serena_Williams
Standard example in game theory
opponent defects" cases are identical. This makes the "both defect" case a weak equilibrium, compared with the strict equilibrium in the standard prisoner's
Prisoner's_dilemma
Israeli-American psychologist and economist (1934–2024)
Stochastically stable equilibrium Weak evolutionarily stable strategy Games Chicken Stag hunt Applications Cultural group selection Fisher's principle Mobbing
Daniel_Kahneman
Flavour quantum number
(involving two quark decays), this can be used as an approximate "selection rule" for weak decays. Quantum number Appelquist, T.; Barnett, R. M.; Lane, K
Charm_(quantum_number)
Ivorian beauty queen
on 8 May 2021 in Yamoussoukro, in the Bélier region. Following the pre-selection, she was crowned Miss Côte d'Ivoire on Yacé was second runner-up at Miss
Olivia_Yacé
Mathematical models of strategic interactions
the name, evolutionary game theory does not necessarily presume natural selection in the biological sense. Evolutionary game theory includes both biological
Game_theory
Collection of sets in which every two sets have the same intersection
sunflower lemma, and the Erdős-Rado sunflower conjecture give successively weaker conditions which would imply the existence of a large sunflower in a given
Sunflower_(mathematics)
Queen of the United Kingdom from 1837 to 1901
(including most of her father's family), and was designed to render her weak and dependent upon them. The Duchess avoided the court because she was scandalised
Queen_Victoria
@GrzegorzBraun_ na kanale SPRAWEK Red" (in Polish). Rae, Gavin (6 June 2025). "Weak Myths". New Left Review. 6 (124) 706. Sidecar. doi:10.64590/gay. ISSN 0028-6060
2025 Polish presidential election
2025_Polish_presidential_election
Political party in the United Kingdom
union movement and socialist parties of the 19th century. It was electorally weak before the First World War, but in the early 1920s overtook the Liberal Party
Labour_Party_(UK)
Country in Northwestern Europe and the Caribbean
Most of present-day Netherlands became part of Middle Francia, which was a weak kingdom and subject to numerous partitions and annexation attempts by its
Netherlands
Founder of Islam (c. 570–632)
wished to send a prophet, couldn't He have found a better person than you, a weak and fatherless orphan?" Realizing his efforts were in vain, Muhammad asked
Muhammad
Process of drawing correct inferences
arguments offer the strongest possible support. Non-deductive arguments are weaker but are nonetheless correct forms of reasoning. The term "proof" is often
Logical_reasoning
Supranational political and economic union
structural limitations, notably high fragmentation, limited independence, and weak sanctioning powers. Furthermore, virtually all EU institutions have traditionally
European_Union
Archipelagic country in Southeast Asia
directions. About five earthquakes are recorded daily, although most are too weak to be felt. The last major earthquakes were in 1976 in the Moro Gulf and
Philippines
New Zealand international rugby player (1896–1988)
21 June 1927. p. 14. Retrieved 14 December 2022. "Devonport Downs City/Weak Tackling By Reds". Auckland Star, Volume LVIII, Issue 150. 28 June 1927.
Jim O'Brien (rugby league, born 1896)
Jim_O'Brien_(rugby_league,_born_1896)
German football manager (born 1973)
corral the opponent to one side before switching play quickly to exploit the weaker side. Tuchel has also been noted for using man-marking, tasking Herrera
Thomas_Tuchel
WEAK SELECTION
WEAK SELECTION
Boy/Male
Arabic, Muslim
Weak
Boy/Male
Arabic, Muslim
Weak
Girl/Female
Australian, Christian, French, German, Hebrew
Hair; Lovelorn; Delicate; Weak
Surname or Lastname
English
English : variant spelling of Leake.
Surname or Lastname
English
English : variant of Week.
Boy/Male
Hindu
Peak
Girl/Female
Hindu, Indian, Traditional
Peak
Boy/Male
Tamil
Peak
Surname or Lastname
English
English : variant of Wick, specifically a habitational name from any of various places called Week or Weeke, notably in Cornwall, Hampshire, and Somerset.Americanized spelling of Norwegian or Swedish Vik.
Biblical
weak; slacked
Surname or Lastname
English (Northumbria)
English (Northumbria) : topographic name for someone who lived by the Wear river in northern England. The river name is ancient, occuring in the form Vedra in Ptolemy’s Geographia; it is probably a Celtic word meaning ‘water’.English (Northumbria) : topographic name for someone who lived near a dam or weir, a variant spelling of Ware 1, or a habitational name from a place called Weare, in Devon and Somerset, from Old English wær, wer ‘weir’.
Boy/Male
Hindu, Indian
Week
Boy/Male
Biblical
Weak, slacked.
Boy/Male
Australian, Hindu, Indian
Peak
Boy/Male
Spanish
Weak.
Surname or Lastname
English
English : topographic name for someone living by a pointed hill (or regional name from the Peak District (Old English Pēaclond) in Derbyshire), named with Old English pēac ‘peak’, ‘pointed hill’ (found only in place names). This word is not directly related to Old English pīc ‘point’, ‘pointed hill’, which yielded Pike; there is, however, some evidence of confusion between the two surnames.Possibly also Irish : reduced form of McPeak.Major concentrations of the surname Peak are found in Staffordshire and the West Country of England. Among the earliest known bearers are Richard del Pech or del Pek (d. 1196), son of Rannulf, sheriff of Nottingham, and Willielmus Piec (Winchester 1194). A century later, c.1284, a certain Richard del Peke settled in Denbighshire (now part of Clwyd), Wales, receiving lands from Henry de Lacey, earl of Lincoln, in return for helping to control the region. His descendants, who bear the name Peak(e), can be traced to the present day, and are found in New Zealand and Canada as well as in Britain. Peake is also the name of a family descended from John Pyke, who paid rent to the abbot of Leicester in 1477. The name took various forms, such as Peke and Pick, eventually becoming established as Peak in the 17th century.
Girl/Female
Tamil
Peak
Boy/Male
Arabic
One who has Weak Eyes
Girl/Female
Indian
Peak
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu
Peak
WEAK SELECTION
WEAK SELECTION
Boy/Male
Indian, Punjabi, Sikh
Priceless Love
Boy/Male
Muslim
Beloved, Lover
Boy/Male
Arabic, Muslim
Self Sustaining
Girl/Female
Australian, Greek
Anointed One; A Christian
Boy/Male
Muslim
A narrator of Hadith
Boy/Male
British, English
Close to Beech Trees; Diminutive of Beacher
Boy/Male
Muslim/Islamic
Slave of the provider;
Boy/Male
Muslim
Assistant. Helper.
Surname or Lastname
English
English : habitational name from Tonacliffe in Lancashire, recorded in 1246 as Tunwal(e)clif, from Old English tūn ‘enclosure’, ‘settlement’ + wæll(a) ‘spring’, ‘stream’ + clif ‘bank’, ‘slope’.
Surname or Lastname
English
English : nickname from Middle English gode ‘good’ + saule, soule ‘soul’.Probably also an Americanized form of German Gutseel or Gutsell; like 1, these are a nickname for a kindly person (literally ‘good soul’). Alternatively, it could be a reduced Americanized form of south German Gutgsell, a nickname or journeyman’s name, from gut ‘good’ + Gesell(e) ‘fellow’, ‘journeyman’.
WEAK SELECTION
WEAK SELECTION
WEAK SELECTION
WEAK SELECTION
WEAK SELECTION
v. i.
Not able to resist external force or onset; easily subdued or overcome; as, a weak barrier; as, a weak fortress.
a.
To make or become weak; to weaken.
v. i.
Tending towards lower prices; as, a weak market.
v. i.
Lacking in elements of political strength; not wielding or having authority or energy; deficient in the resources that are essential to a ruler or nation; as, a weak monarch; a weak government or state.
v. i.
Not firmly united or adhesive; easily broken or separated into pieces; not compact; as, a weak ship.
v. i.
Not having power to convince; not supported by force of reason or truth; unsustained; as, a weak argument or case.
v. i.
To rise or extend into a peak or point; to form, or appear as, a peak.
v.
A crack, crevice, fissure, or hole which admits water or other fluid, or lets it escape; as, a leak in a roof; a leak in a boat; a leak in a gas pipe.
v. i.
Feeble of mind; wanting discernment; lacking vigor; spiritless; as, a weak king or magistrate.
a.
Having weak knees; hence, easily yielding; wanting resolution.
v. i.
Wanting in power to influence or bind; as, weak ties; a weak sense of honor of duty.
a.
Having a weak mind, either naturally or by reason of disease; feebleminded; foolish; idiotic.
v. i.
Not stiff; pliant; frail; soft; as, the weak stalk of a plant.
v. i.
Not thoroughly or abundantly impregnated with the usual or required ingredients, or with stimulating and nourishing substances; of less than the usual strength; as, weak tea, broth, or liquor; a weak decoction or solution; a weak dose of medicine.
v. i.
Not able to withstand temptation, urgency, persuasion, etc.; easily impressed, moved, or overcome; accessible; vulnerable; as, weak resolutions; weak virtue.
v. i.
Not able to sustain a great weight, pressure, or strain; as, a weak timber; a weak rope.
v. t.
To cause or make by friction or wasting; as, to wear a channel; to wear a hole.
v. i.
Wanting in point or vigor of expression; as, a weak sentence; a weak style.
n.
The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc.
v. i.
Lacking ability for an appropriate function or office; as, weak eyes; a weak stomach; a weak magistrate; a weak regiment, or army.