38 entries under mumble topic. ×

27
murmur(noun, verb, expression, go, sound)
24
whisper(noun, verb, go, information, express)
15
maunder(verb, wander, lamentation)
13
croak(verb, grumble, lamentation, stammering)
11
groan(verb, protest, complain, voice, grumble)
11
growl(verb, utter, grumble, babble, whisper)
11
grunt(noun, verb, low, happy, complain)
10
complain(verb, protest, roar, grumble, moan)
10
moan(verb, protest, complain, utter, flow)
9
grouch(verb, protest, complain, grumble, nag)
8
grouse(verb, protest, complain, grumble, moan)
7
rumble(noun, verb, utter, buzz, grumble)
6
snarl(verb, grumble, threat)
5
sputter(verb, grumble, stammering)
5
utter(verb, state, express, reveal, talk)
4
swallow(verb, grumble)
3
blab(verb, talk, chatter, chat, prattle)
3
burble(verb, utter, flow, purr, babble)
3
chatter(talk, chat, babble, prattle, murmur)
3
muddle(verb, grumble)
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APASmart Define. (2015). mutter thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/mutter/thesaurus/synonyms
ChicagoSmart Define. 2015. "mutter thesaurus" https://smartdefine.org/mutter/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, mutter thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/mutter/thesaurus/synonyms>.
MLASmart Define. "mutter thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/mutter/thesaurus/synonyms>