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.

WEAK definition: 1. not physically strong: 2. not strong in character, so that you are not able to make decisions…. Learn more.

If you describe someone as weak, you mean that they are not very confident or determined, so that they are often frightened or worried, or easily influenced by other people.

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.

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 "on the weak side", …

Find 1678 different ways to say WEAK, along with antonyms, related words, and example sentences at Thesaurus.com.

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

Some common synonyms of weak are decrepit, feeble, fragile, frail, and infirm. While all these words mean "not strong enough to endure strain, pressure, or strenuous effort," weak applies …