31 entries under noun topic. ×

15
murmur(sound, low, buzz, hubbub)
11
grumble(low, buzz)
10
murmuring(verb, weak, pale, faded)
10
mutter(verb, low, buzz)
8
grumbling
7
murmuration(low, buzz)
5
mumble(verb, low, buzz)
4
grousing
3
drone(low, buzz, hubbub, hum)
3
mussitation
3
susurration(low, buzz, murmur)
3
whisper(low, buzz)
2
babble(low, talk, buzz, hubbub)
2
complaint
2
susurrus
1
buzz(low, hubbub, drivel, hum)
1
hum(low, buzz, hubbub)
1
rumble(low, buzz)
0
bang
0
boom
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APASmart Define. (2015). muttering thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/muttering/thesaurus/synonyms
ChicagoSmart Define. 2015. "muttering thesaurus" https://smartdefine.org/muttering/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, muttering thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/muttering/thesaurus/synonyms>.
MLASmart Define. "muttering thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/muttering/thesaurus/synonyms>