65 entries under opposition topic. ×

44
opponent(noun, trouble, person, like, conflict)
43
competitor(noun, trouble, person, like, conflict)
36
enemy(noun, adjective, trouble, person)
31
adversary(noun, trouble, person, like)
29
antagonist(noun, trouble, person, like)
29
contestant(noun, person, conflict, opponent)
26
contender(noun, person, conflict, agent)
24
emulate(verb, make, meet, maintain, oppose)
21
foe(noun, trouble, person, agent)
17
compete(verb, meet, maintain, oppose, continue)
16
match(noun, verb, study, person, make)
16
combatant(noun, adjective, person, property)
11
entrant(noun, person, opponent, enemy)
8
challenger(noun, person, opponent, favorite)
7
assailant(noun, agent, rebel, criminal)
7
disputant(noun, agent, rebel, criminal)
5
player(noun, match, enemy, entry)
4
archenemy(noun, agent, rebel, criminal)
4
emulator(noun, person, agent, rebel)
3
attacker(noun, agent, rebel, criminal)
10 years ago|15k views|share |citing 
APASmart Define. (2016). rival thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rival/thesaurus/synonyms
ChicagoSmart Define. 2016. "rival thesaurus" https://smartdefine.org/rival/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, rival thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rival/thesaurus/synonyms>.
MLASmart Define. "rival thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/rival/thesaurus/synonyms>