1‘she stood dumb while he poured out a stream of abuse’
speechless, tongue-tied, wordless, silent, at a loss for words, voiceless, inarticulate, taciturn, uncommunicative, untalkative, tight-lipped, close-mouthed, saying nothing
2‘he was born deaf and dumb’
mute, unable to speak, without the power of speech
technical aphasic, aphonic
3‘he is not as dumb as he wants people to believe’
We take a look at several popular, though confusing, punctuation marks.