20 entries under competitor topic. ×

4
disputant(noun, match, opposition, rival, opponent)
4
foe(noun, opposition, rival, opponent, enemy)
3
contestant(noun, match, opposition, rival, opponent)
2
anti(noun, match, opposition, rival, opponent)
2
assailant(noun, match, opposition, rival, opponent)
2
con(noun, match, opposition, rival, opponent)
2
dissentient(noun, match, opposition, rival, opponent)
2
litigant(noun, match, opposition, rival, opponent)
2
match(noun, opposition, rival, opponent, enemy)
2
opposition(noun, support, person, resist, rival)
2
oppugnant(noun, opposition, rival, opponent, enemy)
1
aspirant(noun, match, opposition, rival, opponent)
1
bandit(noun, opposition, rival, opponent, enemy)
1
bidder(noun, match, opposition, rival, opponent)
1
candidate(noun, match, opposition, rival, opponent)
1
challenger(noun, match, opposition, rival, opponent)
1
counteragent(noun, match, opposition, rival, opponent)
1
dark horse(noun, expression, match, opposition, rival)
1
entrant(noun, match, opposition, rival, opponent)
1
player(noun, match, opposition, rival, opponent)
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APASmart Define. (2015). opposer thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/opposer/thesaurus/synonyms
ChicagoSmart Define. 2015. "opposer thesaurus" https://smartdefine.org/opposer/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, opposer thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/opposer/thesaurus/synonyms>.
MLASmart Define. "opposer thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/opposer/thesaurus/synonyms>