80 entries under hostile topic. ×

29
opposite(adjective, feature, support, conflict, opposition)
26
contrary(adjective, feature, support, conflict, opposition)
24
contradictory(adjective, feature, support, conflict, opposition)
20
opposing(adjective, feature, support, conflict, opposition)
19
converse(noun, adjective, feature, support, conflict)
16
reverse(adjective, feature, support, conflict, opposition)
11
counter(adjective, support, negative, reverse)
11
opposed(adjective, negative, reverse, contrary)
8
antipodean(adjective, support, negative, contrary)
8
conflicting(adjective, negative, reverse, counter)
8
diametric(noun, adjective, support, negative)
7
antagonistic(adjective, contrary, unsuitable, adverse)
7
antipodal(adjective, support, negative, antagonistic)
6
antonymous(adjective, support, counter, different)
6
negative(adjective, different, adverse, conflicting)
5
adverse(adjective, negative, antagonistic, contrary)
4
anti(adjective, negative, antagonistic, contrary)
4
antipathetic(adjective, negative, antagonistic, unsuitable)
4
inconsistent(negative, antagonistic, contrary, unsuitable)
4
inimical(adjective, negative, reverse, antagonistic)
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APASmart Define. (2015). antithetical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/antithetical/thesaurus/synonyms
ChicagoSmart Define. 2015. "antithetical thesaurus" https://smartdefine.org/antithetical/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, antithetical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/antithetical/thesaurus/synonyms>.
MLASmart Define. "antithetical thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/antithetical/thesaurus/synonyms>