8
conflicting(adjective, hostile, contrary, contentious, opposing)
8
contrary(adjective, hostile, contentious, opposing)
7
antagonistic(adjective, support, hostile, contrary, contentious)
6
adverse(adjective, support, hostile, contrary, opposing)
6
opposed(adjective, support, hostile, antagonistic, contrary)
6
opposing(adjective, support, hostile, contrary)
5
antithetical(adjective, hostile, contrary, opposing)
5
counter(adjective, hostile, contrary, opposing)
5
hostile(adjective, contrary, opposing)
5
opposite(adjective, hostile, contrary, opposing, obstructive)
4
enemy(noun, adjective, hostile, antagonistic, contrary)
4
anti(adjective, informal, hostile, antagonistic, contrary)
4
antipathetic(adjective, support, hostile, contrary, opposing)
4
inimical(adjective, hostile, contrary, opposing)
4
objecting(verb, adjective, hostile, contrary, opposing)
4
protesting(adjective, hostile, contrary, contentious, opposing)
4
resistant(adjective, contentious, resistant)
4
rival(adjective, hostile, antagonistic, contrary, adverse)
3
allergic(adjective, hostile, contrary, opposing)
3
antagonizing(verb, adjective)
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APASmart Define. (2015). oppositional thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/oppositional/thesaurus/synonyms
ChicagoSmart Define. 2015. "oppositional thesaurus" https://smartdefine.org/oppositional/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, oppositional thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/oppositional/thesaurus/synonyms>.
MLASmart Define. "oppositional thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/oppositional/thesaurus/synonyms>