1
masticating
1
murmurish
1
murmurous
1
rumble
1
rustling
1
sigh
1
soft(adjective, quiet)
1
soft voice
1
sputtering
1
stage whisper
1
still small voice(expression, idiom)
1
susurrant
1
susurrous
1
underbreath
1
unvocal(adjective, confused, rambling, disjointed)
1
vague
1
whisper
1
whispery
0
admonish
0
articulation
11 years ago|4.2k views|share |citing 
APASmart Define. (2015). mumbling thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mumbling/thesaurus/synonyms
ChicagoSmart Define. 2015. "mumbling thesaurus" https://smartdefine.org/mumbling/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, mumbling thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mumbling/thesaurus/synonyms>.
MLASmart Define. "mumbling thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/mumbling/thesaurus/synonyms>