Dumb meaning

What does “dumb” mean? Definitions, examples, synonyms and opposites.

“dumb” is an adjective with 4 meanings. Its most common meaning is: slow to learn or understand; lacking intellectual acuity.

dumb

slow to learn or understand; lacking intellectual acuity
“so dense he never understands anything I say to him”
“never met anyone quite so dim”
Synonymsdense dim dull obtuse slow
temporarily incapable of speaking
“struck dumb”
“speechless with shock”
Synonymsspeechless
lacking the power of human speech
“dumb animals”
unable to speak because of hereditary deafness
Synonymsmute silent

Source: WordNet 3.1, Princeton University