4
detrimental(adjective, bad, weak, gloomy, hostile)
4
discordant
4
enemy(noun, hostile, different, contrary, rival)
4
hindering(verb, hindering)
4
impeding(verb, opposite, hindering)
4
incompatible(adjective, hostile, different, antagonistic, contrary)
4
irreconcilable(adjective, hostile, different, antagonistic, contrary)
4
miserable(adjective, adverse)
4
negating(verb, antagonistic, contrary, incompatible, inconsistent)
4
oppose
4
oppositional(adjective, support, hostile, contrary)
4
polar(adjective, support, antagonistic, contrary, opposite)
4
protesting(verb, hostile, different, contrary, opposite)
4
repelling(verb, hostile, different, contrary, opposite)
4
resistant(adjective, antagonistic, unwilling, opposed)
4
thwarting(verb, watchful, hindering, defending, protective)
4
unfavorable(adjective, bad, weak, gloomy, hostile)
4
unpropitious(adjective, hostile, unfriendly, antagonistic, contrary)
4
untoward(adjective, adverse)
3
allergic(adjective, hostile, hesitant, different, antagonistic)
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APASmart Define. (2015). opposing thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/opposing/thesaurus/synonyms
ChicagoSmart Define. 2015. "opposing thesaurus" https://smartdefine.org/opposing/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, opposing thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/opposing/thesaurus/synonyms>.
MLASmart Define. "opposing thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/opposing/thesaurus/synonyms>