64 entries under grumble topic. ×

32
moan(noun, verb, sound, oppose, criticize)
25
whine(noun, verb, sound, oppose, criticize)
18
cry(noun, verb, sound, call, cry)
18
sigh(noun, verb, cry, complain, fret)
17
lament(noun, verb, sound, oppose, criticize)
17
gripe(noun, verb, oppose, criticize, object)
16
wail(noun, verb, oppose, criticize, keen)
16
whimper(noun, verb, oppose, criticize, keen)
13
keen(verb, sound, cry, complain, roar)
12
murmur(noun, verb, sound, criticize, protest)
9
grouse(noun, verb, oppose, criticize, object)
9
complain(verb, oppose, criticize, object, protest)
8
mutter(verb, protest, complain, voice)
7
bemoan(verb, oppose, criticize, object, protest)
6
beef(noun, verb, oppose, criticize, object)
6
growl(noun, verb, oppose, criticize, keen)
5
bewail(verb, oppose, criticize, object, protest)
5
object(verb, oppose, criticize, protest, fuss)
4
bitch(verb, oppose, criticize, object, protest)
4
fret(verb, oppose, criticize, object, protest)
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APASmart Define. (2015). groan thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/groan/thesaurus/synonyms
ChicagoSmart Define. 2015. "groan thesaurus" https://smartdefine.org/groan/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, groan thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/groan/thesaurus/synonyms>.
MLASmart Define. "groan thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/groan/thesaurus/synonyms>