6
form(noun, request, application, suit, paper)
6
gripe(noun, verb, state, discontent, complaint)
6
grumble(noun, verb, state, discontent, complaint)
6
inquiry(noun, form, request, application, suit)
6
justice(noun, law, process, court)
6
letter(noun, form, request, application, suit)
6
moan(noun, verb, state, discontent, complaint)
6
paper(noun, form, request, application, suit)
6
petition(noun, form, request, application, suit)
6
requisition(noun, form, request, application, suit)
6
solicitation(noun, form, request, application, suit)
5
criticism(noun, state, discontent, complaint, dissatisfaction)
5
grievance(noun, state, discontent, complaint, dissatisfaction)
5
legislation(noun, law, process, court, justice)
5
objection(noun, state, discontent, complaint, dissatisfaction)
5
protest(noun, state, discontent, complaint, dissatisfaction)
5
whinge(noun, state, discontent, complaint, dissatisfaction)
4
regulation(noun, law, process, court, justice)
1
litigant(noun, law, person, accusation)
1
litigator(noun, law, person, accusation)
10 years ago|145 views|share |citing 
APASmart Define. (2016). complainant thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/complainant/thesaurus/broader
ChicagoSmart Define. 2016. "complainant thesaurus" https://smartdefine.org/complainant/thesaurus/broader (accessed September 25, 2026).
HarvardSmart Define 2016, complainant thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/complainant/thesaurus/broader>.
MLASmart Define. "complainant thesaurus" 23 March 2016. Web. 25 September 2026. <https://smartdefine.org/complainant/thesaurus/broader>