5
sorrow(verb, desire, want, cry, suffer)
5
take on(verb, expression, take, attack, oppose)
4
agonize(verb, desire, sorrow, want, cry)
4
argue(verb, criticize, disagree, tangle, remonstrate)
4
be affected with(verb, expression, idiom, phrasal verb, disease)
4
challenge(verb, oppose, fight, resist, protest)
4
clamor
4
crab(verb, phrasal verb, oppose, criticize, happy)
4
croak
4
defy(verb, oppose, criticize, object, protest)
4
differ(verb, oppose, criticize, fight, object)
4
grunt
4
hang something on(expression, idiom, charge, attack, blame)
4
holler(verb, maintain, oppose, declare, object)
4
keen(verb, desire, sorrow, want, cry)
4
mourn(verb, criticize, censure, condemn, sorrow)
4
niggle(verb, criticize, cavil, nitpick)
4
sigh(verb, desire, sorrow, want, cry)
4
sing the blues(verb, expression, idiom, criticize, censure)
3
air a grievance(expression, idiom)
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APASmart Define. (2016). complain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/complain/thesaurus/synonyms
ChicagoSmart Define. 2016. "complain thesaurus" https://smartdefine.org/complain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, complain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/complain/thesaurus/synonyms>.
MLASmart Define. "complain thesaurus" 4 March 2016. Web. 23 September 2026. <https://smartdefine.org/complain/thesaurus/synonyms>