The meaning of DUMB is lacking intelligence : stupid. How to use dumb in a sentence.

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).

dumb (dʌm) adj. -er, -est, v. usage: dumb in the sense “lacking the power of speech” is offensive when applied to humans (but not animals), probably because the word also means “stupid; dull-witted.”

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

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, …

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 …

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," …

If someone is dumb on a particular occasion, they cannot speak because they are angry, shocked, or surprised.

DUMB meaning: 1 : not showing or having good judgment or intelligence stupid or foolish; 2 : not requiring or resulting from intelligence