172 entries under noun topic. ×

1
contest
1
corival(person, participant, contestant)
1
counteragent(match, opposition, rival, opponent)
1
criminal(opposition, agent, villain, rebel)
1
dark horse(expression, person, opposition, job)
1
defamer(opposition, agent, villain, rebel)
1
defiler(opposition, agent, villain, rebel)
1
detractor(opposition, agent, villain, rebel)
1
dissentient(match, opposition, rival, opponent)
1
falsifier(opposition, agent, villain, rebel)
1
foil
1
guerrilla(opposition, agent, villain, rebel)
1
informer(opposition, agent, villain, rebel)
1
inquisitor(opposition, agent, villain, rebel)
1
litigant(match, opposition, rival, opponent)
1
mate(match, balance, equal, double)
1
murderer(opposition, agent, villain, rebel)
1
opposite number(expression, rival, opponent, enemy)
1
oppugnant(opposition, rival, opponent, enemy)
1
prosecutor(opposition, agent, villain, rebel)
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APASmart Define. (2016). competitor thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/competitor/thesaurus/synonyms
ChicagoSmart Define. 2016. "competitor thesaurus" https://smartdefine.org/competitor/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, competitor thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/competitor/thesaurus/synonyms>.
MLASmart Define. "competitor thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/competitor/thesaurus/synonyms>