weak, feeble, frail, fragile, infirm, decrepit mean not strong enough to endure strain, pressure, or strenuous effort. weak applies to deficiency or inferiority in strength or power of any sort.

Define weak. weak synonyms, weak pronunciation, weak translation, English dictionary definition of weak. not strong; feeble; lacking firmness or force of will: The illness had made her weak.

Oct 12, 2025 · When we say that an acid is weak, we refer only to its degree of dissociation, not to its degree of corrosiveness; but it is true that those two traits often correlate, though.

The weak force was first postulated by Enrico Fermi in 1933, as that which allows beta decay (i.e. the radioactive emission of a high energy electron) from the atomic nucleus.

Resulting from or indicating lack of judgment, discernment, or firmness; arising from want of moral courage, of self-denial, or of determination; injudicious: as, a weak compliance; a weak …

Weak, decrepit, feeble, weakly imply a lack of strength or of good health. Weak means not physically strong, because of extreme youth, old age, illness, etc.: weak after an attack of fever.

weak definition: lacking physical strength or energy. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "weak part", "weak …

Definition of weak adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Weak, decrepit, feeble, weakly imply a lack of strength or of good health. Weak means not physically strong, because of extreme youth, old age, illness, etc.: weak after an attack of fever.

The weak, by thinking themselves strong, are induced to venture and proclaim war against that which ruins them; and the strong, by conceiting themselves weak, are thereby rendered …