9
contrary(adjective, hostile, counter, unfriendly, different)
8
adverse(adjective, mean, negative, hostile, unfriendly)
7
opposed(adjective, preposition, mean, negative, hostile)
7
negative(adjective, bad, hostile, unfriendly, different)
6
opposite(adjective, mean, hostile, counter, unfriendly)
6
con(noun, adjective, preposition, opposition, antagonistic)
6
contradictory(adjective, negative, hostile, unfriendly, different)
5
averse(adjective, hostile, counter, different, antagonistic)
5
adversary(noun, adjective, match, opposition, rival)
5
against(adjective, preposition, hostile, unfriendly, different)
5
antagonist(noun, match, opposition, rival, opponent)
5
antagonistic(adjective, bad, hostile, counter, unfriendly)
5
contra(noun, adjective, opposite, versus)
5
counter(adjective, negative, hostile, antagonistic, contrary)
5
hostile(adjective, preposition, mean, informal, negative)
5
inverse(adjective, opposite)
5
opponent(noun, person, informal, match, opposition)
5
opposed to(verb, expression, adjective, phrasal verb, preposition)
5
reverse(adjective, negative, hostile, contrary, adverse)
4
antipathetic(adjective, negative, hostile, counter, different)
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APASmart Define. (2015). anti thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/anti/thesaurus/synonyms
ChicagoSmart Define. 2015. "anti thesaurus" https://smartdefine.org/anti/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, anti thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/anti/thesaurus/synonyms>.
MLASmart Define. "anti thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/anti/thesaurus/synonyms>