mum

mum

adjective

Definition of MUM

deliberately refraining from speech <kept mum about the surprise bridal shower>

Synonyms dumb, mum, mute, muted, speechless, uncommunicative, wordless

Related Words inarticulate, tongue-tied; nonvocal, voiceless; dumbstruck; sulking, sulky, sullen

Near Antonyms articulate, eloquent, fluent, voluble, well-spoken; gabby, garrulous, loquacious, talkative, talky; outspoken, unreserved, vocal; facile, glib, silver-tongued, smooth-tongued

Antonyms communicative, speaking, talking