1
nonpareil(noun, champion, partisan, hero, winner)
1
number one(noun, expression, champion, hero, winner)
1
numero uno(noun, expression, champion, hero, winner)
1
opposer(noun, match, opposition, rival, opponent)
1
opposition(noun, match, rival, opponent, favorite)
1
oppugnant(noun, match, opposition, rival, opponent)
1
paladin(noun, champion, partisan, hero, winner)
1
participant(noun, competitor, contestant, candidate, contender)
1
partisan(noun, champion, hero, winner, defender)
1
patron(noun, champion, partisan, hero, winner)
1
player(noun, animal, sport, opposition, rival)
1
proponent(noun, champion, partisan, hero, winner)
1
protector(noun, champion, partisan, hero, winner)
1
protester
1
provoker
1
quarreller
1
scrapper(competitor, participant, candidate, contender)
1
supporter(noun, champion, partisan, hero, winner)
1
sympathizer(noun, champion, partisan, hero, winner)
1
team member(expression, competitor, participant, candidate, contender)
11 years ago|6.5k views|share |citing 
APASmart Define. (2015). challenger thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/challenger/thesaurus/synonyms
ChicagoSmart Define. 2015. "challenger thesaurus" https://smartdefine.org/challenger/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, challenger thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/challenger/thesaurus/synonyms>.
MLASmart Define. "challenger thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/challenger/thesaurus/synonyms>