1
garbled
1
gibbered
1
gnarled
1
gnawed
1
grunted
1
gummed
1
indistinct
1
jabbered
1
lisped(verb, stammered)
1
low(adjective, quiet, soft, unclear, hazy)
1
masticated
1
mute(quiet, soft, low)
1
prated
1
tattled
1
unclear(quiet, soft, low, hazy, blurry)
1
unintelligible
1
voiceless(quiet, soft, low)
1
whispered
1
wordless(quiet, soft, low)
0
chewed
11 years ago|2.3k views|share |citing 
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>