| catty(adjective, mean, nasty, unfriendly, hateful) | |
| challenger(noun, match, opposition, rival, opponent) | |
| chill(adjective, mean, nasty, unfriendly, hateful) | |
| colorless(adjective, bad, weak, gloomy) | |
| combating(adjective, hostile, counter, different, antagonistic) | |
| compensating | |
| competitor(noun, match, opposition, rival, opponent) | |
| contentious(adjective, mean, nasty, unfriendly, hateful) | |
| contestant(noun, match, opposition, rival, opponent) | |
| contradistinct | |
| contrapositive | |
| contrariant(adjective, negative, hostile, different, adverse) | |
| contrarious | |
| contrary to(verb, expression, phrasal verb, versus) | |
| contrasted | |
| controverting(adjective, hostile, counter, different, antagonistic) | |
| contumacious(adjective, negative, hostile, different, adverse) | |
| counteractive(adjective, counter, antagonistic, contrary, conflicting) | |
| counteragent(noun, match, opposition, rival, opponent) | |
| counterbalancing |
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| APA | Smart Define. (2015). anti thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/anti/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "anti thesaurus" https://smartdefine.org/anti/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, anti thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/anti/thesaurus/synonyms>. |
| MLA | Smart Define. "anti thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/anti/thesaurus/synonyms> |