Weak verb

Definition and stakes

Chambers's Twentieth Century Dictionary…

“ Weak, wēk, adj. soft: wanting strength and vigour: not able to sustain a great weight: wanting health: easily overcome: feeble of mind: wanting moral or mental force: frail: unsteady: slight or incomplete: having little of the chief ingredient: impressible: inconclusive: (Shak.) inconsiderable: (gram.) of a verb inflected by regular syllabic addition instead of by change of the main vowel: tending downward in price.—adj. Weak′-built (Shak.) , ill-founded.—v.t. Weak′en, to make weak: to reduce in strength or spirit.—v.i. to grow weak or weaker.—n. ”
Source: Gutenberg

Joseph M. Bachelor,  The Century Vocabulary Builder

“ Give five synonyms for vain as applied to a man who overvalues himself or his accomplishments; six as applied to an attempt that comes to nothing; three as applied to hopes that have little chance of fulfilment.
<Weak>. Substitute five synonyms for weak in the sentence "I was very weak after my illness"; four in the sentence "The fortress was especially weak on the side toward the plain"; three in the sentence "He made a weak attempt to defend his actions"; three in the sentence "Many of these arguments are weak"; three in the sentence "Hamlet is usually interpreted as being weak of will"
”
Source: Gutenberg

United States. War Department,  Dictionary of Spoken Russian/English-Russian (1945)

“ У неё слишком слабый голос для этого большого зала. Her voice is too weak for such a large hall. — Вам крепкого или слабого чаю? Do you want strong or weak tea? — Человек с таким слабым характером не годится для этого дела. A man of such weak character is no good for this business. — Ваши аргументы показались мне весьма слабыми. Your arguments seem rather weak to me. — Шахматист он слабый. He's a weak chess player. — Это его слабая струнка. That's his weak point. — Это слабое место в нашей работе. This is the weak link in our work. • delicate. У вас слабое здоровье; вы должны беречь себя. ”
Source: Wikisource

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