26
mute(adjective, quiet, aloof, reticent, speak)
25
silent(adjective, close, quiet, soft, low)
18
quiet(adjective, soft, low, restrained, still)
16
speechless(adjective, quiet, aloof, reserved, reticent)
15
taciturn(adjective, close, quiet, restrained, still)
13
dumb(adjective, quiet, soft, aloof, reticent)
13
tight-lipped(adjective, quiet, restrained, aloof, reserved)
12
wordless(adjective, quiet, soft, low, silent)
12
voiceless(adjective, quiet, low, silent, dumb)
10
mammy(noun, mother, ma, mom)
10
mom(noun, mother, parent, ma)
9
mama(noun, mother, parent, ma, mom)
9
mommy(noun, mother, parent, ma, mom)
9
mummy(noun, mother, ma, mom)
9
reserved(adjective, close, quiet, restrained, still)
9
uncommunicative(adjective, close, quiet, soft, low)
9
mamma(noun, mother, ma, mom)
9
reticent(adjective, close, quiet, restrained, still)
9
secretive(adjective, quiet, restrained, reticent, silent)
8
ma(noun, mother, parent, mom, mammy)
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APASmart Define. (2015). mum thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mum/thesaurus/synonyms
ChicagoSmart Define. 2015. "mum thesaurus" https://smartdefine.org/mum/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mum thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mum/thesaurus/synonyms>.
MLASmart Define. "mum thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/mum/thesaurus/synonyms>