3
whimper(verb, inarticulately)
3
whispering(noun, low, buzz)
2
bark
2
blab(verb, express, talk, articulate, chatter)
2
blabber
2
breath
2
bumble(verb, buzz, whine, whisper, sing)
2
chomp
2
clack
2
croon(purr, whine, whisper, mutter, drone)
2
crunch
2
droning
2
falter
2
gnarl
2
groan(verb, sound, protest, complain, grumble)
2
keen(cry, complain, grumble)
2
low voice(noun, expression, hint, word, rumor)
2
muffle(verb, stammering)
2
muttering(low, buzz)
2
nibble
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APASmart Define. (2015). mumble thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mumble/thesaurus/synonyms
ChicagoSmart Define. 2015. "mumble thesaurus" https://smartdefine.org/mumble/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, mumble thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mumble/thesaurus/synonyms>.
MLASmart Define. "mumble thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/mumble/thesaurus/synonyms>