Lacking intelligence or good judgment 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, but it doesn't have anything to do with intelligence. See examples of dumb used in a sentence.
Dumb Porn. How porn breeds stupidity and cowardly… | by Belinda Tobin
Adjective dumb (comparative dumber, superlative dumbest) (dated) unable to speak
Mute, speechless, wordless deaf, dumb, and blind (set phrase) his younger brother was born dumb, and communicated with sign language.
If someone is dumb on a particular occasion, they cannot speak because they are angry, shocked, or surprised. Definition of dumb adjective in oxford advanced learner's dictionary Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Look up dumb in wiktionary, the free dictionary.
Not showing or having good judgment or intelligence stupid or foolish Not requiring or resulting from intelligence