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.

FEEBLE definition: physically weak, as from age or sickness; frail. See examples of feeble used in a sentence.

Feeble-minded children are defined as those who appear to be 'permanently incapable' of receiving proper benefit from teaching in ordinary schools.

1. physically weak, as from age or sickness; frail. 2. weak intellectually or morally: a feeble mind. 3. lacking in volume, brightness, distinctness, etc.: feeble light. 4. lacking in substance or effectiveness: …

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

Feeble definition: Having little capacity to withstand pressure or strain.

lacking in volume, loudness, brightness, distinctness, etc.: a feeble voice; feeble light. lacking in force, strength, or effectiveness: feeble resistance; feeble arguments.

If you describe something that someone says as feeble, you mean that it is not very good or convincing. This is a particularly feeble argument.

Jan 20, 2026 · Adjective feeble (comparative feebler, superlative feeblest) Deficient in physical strength.

You know how you feel when you can’t open a jar of pickles? And then grandma walks in and does it in one shot without even grunting? That’s called feeling feeble, or lacking strength.