43 entries under utter topic. ×

28
mutter(verb, go, deliver, low, express)
27
murmur(noun, verb, go, disorder, sound)
24
whisper(noun, verb, go, information, express)
9
stutter(verb, flow, purr, babble)
7
rumble(noun, verb, buzz, babble)
7
stammer(verb, flow, stumble, babble)
6
verbalize(verb, express, talk, flow)
5
mouth(express, talk, articulate, chatter)
4
buzz(noun, low, hint, babble)
4
drone(noun, verb, buzz, babble)
4
hum(noun, verb, low, hint)
4
sigh(noun, verb, hint, cry)
4
voice(verb, express, talk, flow)
3
breathe(verb, murmur, sigh)
3
babble(noun, verb, low, flow)
3
growl(protest, roar, flow, babble)
3
hiss(verb, murmur, sigh)
3
susurrate(verb, flow, babble, whisper)
3
vocalize(verb, express, talk, flow)
2
sibilate(murmur, sigh)
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APASmart Define. (2015). mumble thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mumble/thesaurus/synonyms
ChicagoSmart Define. 2015. "mumble thesaurus" https://smartdefine.org/mumble/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mumble thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mumble/thesaurus/synonyms>.
MLASmart Define. "mumble thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/mumble/thesaurus/synonyms>