Synonyms of mum

1 Syllable

mums, shy, moms, mom, dumb, still, quiet, hushed, surd, mute

2 Syllables

dumbest, unheard, silent, wordless, dumber, speechless, dried-up, muting, mommy, soundless, muter, mumsy, zipped, bashful, mommies, muted, husher

3 Syllables

nonvocal, tightlipped, silentious, reserved, unsounded, aphasiac, tongueless, reticent, taciturn, tight-lipped, unspeaking, tongue-tied, child-bearer, aphasic, voiceless

4 Syllables

secretive, unforthcoming, unhearable, unsociable, unpronounced, closemouthed, inaudible

5 Syllables

unexpressive

7 Syllables

uncommunicative, incommunicative