166 entries under noun topic. ×

1
backbiter(opposition, agent, rebel, criminal)
1
bad person(expression, opposition, agent, rebel)
1
betrayer(opposition, agent, rebel, criminal)
1
bidder(match, opposition, opponent, enemy)
1
bruiser
1
calumniator(opposition, agent, rebel, criminal)
1
complement(verb, agree, like, match)
1
contrarian(person, opposition, opponent, competitor)
1
correlate(verb, study, consider, oppose)
1
counteragent(match, opposition, opponent, enemy)
1
criminal(opposition, agent, rebel, opponent)
1
dark horse(expression, opposition, favorite, enemy)
1
defamer(opposition, agent, rebel, criminal)
1
defiler(opposition, agent, rebel, criminal)
1
detractor(opposition, agent, rebel, criminal)
1
falsifier(opposition, agent, rebel, criminal)
1
fifth column(expression, opposition, agent, rebel)
1
finalist
1
foil
1
guerrilla(opposition, agent, rebel, criminal)
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APASmart Define. (2016). rival thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rival/thesaurus/synonyms
ChicagoSmart Define. 2016. "rival thesaurus" https://smartdefine.org/rival/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, rival thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rival/thesaurus/synonyms>.
MLASmart Define. "rival thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/rival/thesaurus/synonyms>