14
opponent(noun, opponent, enemy)
12
contrasting(adjective, separate, reverse, distinct, different)
12
divergent(adjective, separate, distinct, different, conflicting)
12
enemy(noun, adjective, hostile, counter, different)
12
inimical(adjective, nasty, cold, disgusting, reverse)
12
opposition(noun, reverse, blank, void, denial)
11
adversary(noun, opponent, enemy)
11
discordant(adjective, harmony, distinct, different, inappropriate)
11
rival(noun, adjective, hostile, different, contrary)
10
adverse(adjective, mean, disgusting, reverse, hostile)
10
in contrast
10
unlike(adjective, preposition, separate, reverse, distinct)
9
counter(noun, adjective, adverb, support, turn)
9
incompatible(adjective, disgusting, hostile, counter, distinct)
8
negative(noun, adjective, hostile, unfriendly, antagonistic)
8
unalike(adjective, separate, reverse, distinct, different)
8
conversely(adverb, feature, state, opposition)
8
differing(adjective, reverse, distinct, different, contrary)
8
irreconcilable(adjective, hostile, different, antagonistic, contrary)
7
antagonist(noun, opponent, enemy)
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APASmart Define. (2015). opposite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/opposite/thesaurus/synonyms
ChicagoSmart Define. 2015. "opposite thesaurus" https://smartdefine.org/opposite/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, opposite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/opposite/thesaurus/synonyms>.
MLASmart Define. "opposite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/opposite/thesaurus/synonyms>