117 entries under noun topic. ×

11
competitor(animal, person, sport, opposition)
8
rival(person, opposition, opponent, favorite)
5
contender(animal, sport, opponent, competitor)
4
competition(rival, opponent, favorite, peer)
3
darer
3
opponent(person, match, opposition, rival)
3
warrior(champion, hero, competitor, winner)
2
disputer
2
antagonist(opposition, rival, opponent, favorite)
2
contestant(animal, sport, opposition, rival)
1
caller
1
defier
1
adversary(opposition, rival, opponent, favorite)
1
champion(hero, winner, champ, victor)
1
enemy(match, opposition, rival, opponent)
1
advocate(champion, partisan, hero, winner)
1
ally(champion, partisan, hero, winner)
1
anti(match, opposition, rival, opponent)
1
aspirant(opposition, rival, enemy, competitor)
1
assailant(match, opposition, rival, opponent)
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APASmart Define. (2015). challenger thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/challenger/thesaurus/synonyms
ChicagoSmart Define. 2015. "challenger thesaurus" https://smartdefine.org/challenger/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, challenger thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/challenger/thesaurus/synonyms>.
MLASmart Define. "challenger thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/challenger/thesaurus/synonyms>