73 entries under competitor topic. ×

1
backbiter(noun, opposition, agent, rebel, criminal)
1
bad person(noun, expression, opposition, agent, rebel)
1
betrayer(noun, opposition, agent, rebel, criminal)
1
calumniator(noun, opposition, agent, rebel, criminal)
1
contester(participant, candidate, contender)
1
contrarian(noun, person, opposition, opponent)
1
criminal(noun, opposition, agent, rebel, opponent)
1
dark horse(noun, expression, opposition, favorite, enemy)
1
defamer(noun, opposition, agent, rebel, criminal)
1
defiler(noun, opposition, agent, rebel, criminal)
1
detractor(noun, opposition, agent, rebel, criminal)
1
falsifier(noun, opposition, agent, rebel, criminal)
1
favorite(participant, contestant, candidate, contender)
1
fifth column(noun, expression, opposition, agent, rebel)
1
guerrilla(noun, opposition, agent, rebel, criminal)
1
hopeful(participant, candidate, contender)
1
informer(noun, opposition, agent, rebel, criminal)
1
inquisitor(noun, opposition, agent, rebel, criminal)
1
member(participant, candidate, contender)
1
murderer(noun, opposition, agent, rebel, criminal)
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APASmart Define. (2016). rival thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rival/thesaurus/synonyms
ChicagoSmart Define. 2016. "rival thesaurus" https://smartdefine.org/rival/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, rival thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rival/thesaurus/synonyms>.
MLASmart Define. "rival thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/rival/thesaurus/synonyms>