stupid, dull, dense, crass, dumb mean lacking in power to absorb ideas or impressions. stupid implies a slow-witted or dazed state of mind that may be either congenital or temporary.

DUMB definition: lacking intelligence or good judgment; stupid; dull-witted. See examples of dumb used in a sentence.

Don’t say anything – just act / play dumb (= pretend to be stupid or not to know something).

Dec 14, 2025 · Adjective dumb (comparative dumber, superlative dumbest) (dated) Unable to speak; lacking power of speech. synonyms quotations Synonyms: mute, speechless, wordless deaf, dumb, …

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

Dumb is the Old English word that means "mute, speechless," and itself came from an even older word dheubh meaning "confusion, stupefaction, dizziness." Today, dumb still means "unable to speak," …

Stupidity is a quality or state of being stupid, or an act or idea that exhibits properties of being stupid. [4] In a character study of "The Stupid Man" attributed to the ancient Greek philosopher Theophrastus …