64 entries under verb topic. ×

2
beating(adjective, rumbling)
2
buzzing(adjective, rumbling)
2
chanting(adjective, rumbling)
2
complain
2
droning(adjective, rumbling)
2
drumming(adjective, rumbling)
2
kicking
2
mumbling
2
rattling(adjective, rumbling)
2
reverberating(adjective, rumbling)
2
squawking
2
thrumming(adjective, rumbling)
1
berating
1
choking
1
clattering
1
dying
1
mumble
1
protesting(grumpy, testy, grouchy)
1
repine
1
sounding
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APASmart Define. (2016). grumbling thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/grumbling/thesaurus/synonyms
ChicagoSmart Define. 2016. "grumbling thesaurus" https://smartdefine.org/grumbling/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, grumbling thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/grumbling/thesaurus/synonyms>.
MLASmart Define. "grumbling thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/grumbling/thesaurus/synonyms>