2
grouching
2
grouse
2
grumbly(difficult, critical, complaining)
2
ill-natured(adjective, negative, bad temper)
2
impatient(adjective, negative, sullen, crabby, sulky)
2
kick
2
kicking
2
malcontent(adjective, upset, unhappy, angry, irritated)
2
malcontented(adjective, upset, unhappy, angry, irritated)
2
mumbling
2
nagging(noun, adjective, critical, dissatisfied, disparaging)
2
out of humor(expression, adjective, idiom, cross, emotional)
2
plaintive(adjective, upset, difficult, cross, unhappy)
2
protest
2
querulousness
2
rattling(verb, adjective, rumbling)
2
repining(grumpy, testy, grouchy)
2
resentful(adjective, cross, unhappy, emotional, vulnerable)
2
restless
2
reverberating(verb, adjective, rumbling)
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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>