1
jabber
1
jibber
1
kicking
1
lisping(verb, stammering)
1
little voice
1
low voice
1
malcontent
1
malcontented
1
murmurish
1
murmurous
1
out of humor(expression, idiom)
1
peevish
1
petulant
1
pronouncing(verb, voicing)
1
querulant
1
rebellious
1
repining
1
resentful
1
restive
1
restless
11 years ago|3.8k views|share |citing 
APASmart Define. (2015). muttering thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/muttering/thesaurus/synonyms
ChicagoSmart Define. 2015. "muttering thesaurus" https://smartdefine.org/muttering/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, muttering thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/muttering/thesaurus/synonyms>.
MLASmart Define. "muttering thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/muttering/thesaurus/synonyms>