47 entries under noun topic. ×

27
murmur(verb, go, disorder, sound)
24
whisper(verb, go, information, express)
11
undertone(low, hint, suggestion, trace)
8
gum
7
rumble(verb, utter, buzz, babble)
5
garble
5
slur
5
susurration(low, hint, buzz, word)
5
susurrus(sounds, murmur)
5
whine(verb, oppose, protest, complain)
4
buzz(low, hint, utter, babble)
4
drone(verb, utter, buzz, babble)
4
grumble(verb, sound, oppose, low)
4
grunt(verb, sound, protest, complain)
4
hum(verb, low, hint, utter)
4
sigh(verb, hint, cry, utter)
3
mumbling
3
murmuring
3
babble(verb, low, utter, flow)
3
murmuration(low, buzz, divulgence, susurrus)
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APASmart Define. (2015). mumble thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mumble/thesaurus/synonyms
ChicagoSmart Define. 2015. "mumble thesaurus" https://smartdefine.org/mumble/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, mumble thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mumble/thesaurus/synonyms>.
MLASmart Define. "mumble thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/mumble/thesaurus/synonyms>