5
mouth(express, talk, utter, articulate, chatter)
5
rumour
5
slur(noun, verb)
5
speak(verb, express, talk, articulate, chatter)
5
susurration(noun, low, hint, buzz, word)
5
susurrus(noun, sounds, murmur)
5
swallow(verb, food, inarticulately)
5
whine(noun, verb, oppose, protest, complain)
4
bite
4
buzz(noun, low, hint, utter, babble)
4
champ
4
drone(noun, verb, utter, buzz, babble)
4
grumble(noun, verb, sound, oppose, low)
4
grunt(noun, verb, sound, protest, complain)
4
hum(noun, verb, low, hint, utter)
4
masticate(verb, food)
4
sigh(noun, verb, hint, cry, utter)
4
snarl(verb, disorder, disturb, confuse, protest)
4
sputter
4
voice(verb, express, talk, utter, flow)
11 years ago|8.9k views|share |citing 
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>