2
complainingly
2
growlingly
2
murmuringly
2
mutteringly
1
carpingly
1
chokingly
1
complainedly
1
complaining
1
discontentedly
1
gripingly
1
groaningly
1
grouchily
1
grouchingly
1
grousedly
1
grousingly
1
grumble
1
grumbling
1
gruntedly
1
gruntingly
1
mumblingly
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APASmart Define. (2013). grumblingly thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/grumblingly/thesaurus/synonyms
ChicagoSmart Define. 2013. "grumblingly thesaurus" https://smartdefine.org/grumblingly/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, grumblingly thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/grumblingly/thesaurus/synonyms>.
MLASmart Define. "grumblingly thesaurus" 19 May 2013. Web. 21 September 2026. <https://smartdefine.org/grumblingly/thesaurus/synonyms>