Synonyms of dumb in English:

dumb


See definition of dumb

adjective

1‘she stood dumb while he poured out a stream of abuse’

SYNONYMS

speechless, tongue-tied, wordless, silent, at a loss for words, voiceless, inarticulate, taciturn, uncommunicative, untalkative, tight-lipped, close-mouthed, saying nothing

informal mum

2‘he was born deaf and dumb’

SYNONYMS

mute, unable to speak, without the power of speech

technical aphasic, aphonic

3‘he is not as dumb as he wants people to believe’

See stupid