1
adversary(noun, person, opposition, counteraction)
1
antagonist(noun, person, opposition, counteraction)
1
competitor(noun, person, opposition, counteraction)
1
contender(noun, person, opposition, counteraction)
1
contestant(noun, person, opposition, counteraction)
1
emulator(noun, person, opposition, counteraction)
1
rival(noun, person, opposition, counteraction)
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APASmart Define. (1970). campaign planner thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/campaign_planner/thesaurus/antonyms
ChicagoSmart Define. 1970. "campaign planner thesaurus" https://smartdefine.org/campaign_planner/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 1970, campaign planner thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/campaign_planner/thesaurus/antonyms>.
MLASmart Define. "campaign planner thesaurus" 1 January 1970. Web. 25 September 2026. <https://smartdefine.org/campaign_planner/thesaurus/antonyms>