17
complaining(noun, verb, adjective, upset, difficult)
12
rumbling(noun, verb, adjective, rumbling)
11
murmuring(noun, verb, adjective, grumpy, testy)
10
querulous(adjective, upset, hard, difficult, cross)
9
whiny(difficult, critical, sullen, crabby, moody)
8
grousing(noun, adjective, difficult, critical, dissatisfied)
8
grumble(noun, verb)
7
murmur
7
muttering(noun, verb)
7
rumble
6
grumpy(adjective, upset, unhappy, negative, irritable)
6
grouchy(adjective, difficult, cross, negative, irritable)
6
mutter(noun, verb)
5
griping(verb, adjective, upset, unhappy, irritable)
5
thundering(verb, adjective, rumbling)
4
petulant(adjective, difficult, cross, negative, irritable)
4
whining(noun, verb, adjective, difficult, critical)
4
chattering(verb, adjective, rumbling)
4
complaint
4
crabby(adjective, upset, cross, unhappy, irritable)
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APASmart Define. (2016). grumbling thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/grumbling/thesaurus/synonyms
ChicagoSmart Define. 2016. "grumbling thesaurus" https://smartdefine.org/grumbling/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, grumbling thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/grumbling/thesaurus/synonyms>.
MLASmart Define. "grumbling thesaurus" 24 March 2016. Web. 20 September 2026. <https://smartdefine.org/grumbling/thesaurus/synonyms>