5
rumbled(verb, rumbled)
5
grouched(noun, verb)
5
growled(noun, verb)
4
complained
4
moaned(noun, verb)
4
said(verb, express, say, dialogue, spoke)
3
chattered(verb, rumbled)
3
rolled(noun, verb, rumbled)
2
griped(noun, verb)
2
murmured
2
muttered
2
thundered(noun, verb, rumbled)
2
repined
2
reverberated(verb, rumbled)
1
carped
1
groused
1
hummed(verb, rumbled)
1
mumbled
1
bellyached(noun, verb)
1
bemoaned
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APASmart Define. (2013). grumbled thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/grumbled/thesaurus/synonyms
ChicagoSmart Define. 2013. "grumbled thesaurus" https://smartdefine.org/grumbled/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, grumbled thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/grumbled/thesaurus/synonyms>.
MLASmart Define. "grumbled thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/grumbled/thesaurus/synonyms>