6
opposer(noun, support, person, resist, opponent)
6
resister(noun, support, person, resist, match)
5
disputant(noun, match, opposition, opponent, resister)
4
opposition(noun, support, person, resist, opponent)
3
adversary(noun, support, person, resist, opponent)
3
antagonist(noun, support, person, resist, opponent)
3
anti(noun, adjective, informal, match, opposition)
3
brawler
3
obstructionist
3
opponent(noun, support, person, resist)
2
competitor(noun, opponent)
2
enemy(noun, opponent)
2
foe(noun, opponent)
2
litigant(noun, opponent)
2
match(noun, opponent)
2
objector
2
obstructive(adjective, opponent)
2
rival(noun, adjective, opponent)
2
wrangler
1
assailant(noun, opponent)
11 years ago|1.3k views|share |citing 
APASmart Define. (2015). oppositionist thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/oppositionist/thesaurus/synonyms
ChicagoSmart Define. 2015. "oppositionist thesaurus" https://smartdefine.org/oppositionist/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, oppositionist thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/oppositionist/thesaurus/synonyms>.
MLASmart Define. "oppositionist thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/oppositionist/thesaurus/synonyms>