61 entries under competitor topic. ×

1
anti(noun, match, opposition, rival, opponent)
1
aspirant(noun, match, opposition, rival, opponent)
1
assassin(noun, opposition, agent, villain, rebel)
1
backbiter(noun, opposition, agent, villain, rebel)
1
bad person(expression, opposition, agent, villain, rebel)
1
betrayer(noun, opposition, agent, villain, rebel)
1
bidder(noun, match, opposition, rival, opponent)
1
calumniator(noun, opposition, agent, villain, rebel)
1
candidate(noun, match, opposition, rival, opponent)
1
challenger(noun, match, opposition, rival, opponent)
1
con(noun, match, opposition, rival, opponent)
1
counteragent(noun, match, opposition, rival, opponent)
1
dark horse(noun, expression, match, opposition, rival)
1
defamer(noun, opposition, agent, villain, rebel)
1
detractor(noun, opposition, agent, villain, rebel)
1
dissentient(noun, match, opposition, rival, opponent)
1
emulator(noun, opposition, agent, villain, rebel)
1
entrant(noun, match, opposition, rival, opponent)
1
falsifier(noun, opposition, agent, villain, rebel)
1
fifth column(expression, opposition, agent, villain, rebel)
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APASmart Define. (2016). assailant thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/assailant/thesaurus/synonyms
ChicagoSmart Define. 2016. "assailant thesaurus" https://smartdefine.org/assailant/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, assailant thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/assailant/thesaurus/synonyms>.
MLASmart Define. "assailant thesaurus" 30 March 2016. Web. 26 September 2026. <https://smartdefine.org/assailant/thesaurus/synonyms>