7
muttered(verb, adjective, voiced, articulated, uttered)
7
inarticulate(adjective, unable)
6
said(verb, express, say, tired, dialogue)
5
murmured(noun, verb, adjective, voiced, articulated)
3
hummed
2
babbled
2
champed
1
gabbled
1
grumbled
1
spluttered(verb, stammered)
1
stammered(verb, stammered)
1
stuttered(verb, stammered)
1
chattered
1
clacked
1
crooned
1
inaudible(adjective, quiet, soft, low, unclear)
1
mouthed
1
muffled(adjective, quiet, soft, low, unclear)
1
crunched
1
faint(adjective, quiet, soft, low, unclear)
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APASmart Define. (2015). mumbled thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mumbled/thesaurus/synonyms
ChicagoSmart Define. 2015. "mumbled thesaurus" https://smartdefine.org/mumbled/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, mumbled thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mumbled/thesaurus/synonyms>.
MLASmart Define. "mumbled thesaurus" 21 April 2015. Web. 20 September 2026. <https://smartdefine.org/mumbled/thesaurus/synonyms>