2
objecting(adjective, hostile, counter, different, antagonistic)
2
objector
2
obverse(adjective, opposite, opposing, contrasting)
2
one who's against(expression, idiom)
2
opposing voice
2
oppositionist(noun, informal, match, opposition, opponent)
2
oppugnant(noun, adjective, mean, nasty, opposition)
2
prefix with matter(expression, idiom)
2
recalcitrant(adjective, negative, hostile, different, adverse)
2
refractory(adjective, negative, hostile, different, adverse)
2
repugnant(adjective, counter, unfriendly, antagonistic, contrary)
2
resistant(adjective, unwilling, opposed)
2
rival(noun, adjective, opposition, hostile, counter)
2
unpropitious(adjective, mean, nasty, unfriendly, hateful)
2
unwilling(adjective, bad, weak, gloomy, unfriendly)
2
voting no
1
abrogating(adjective, bad, weak, gloomy)
1
adventurous
1
adversarial(adjective, hostile, contrary, opposing)
1
adversive
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APASmart Define. (2015). anti thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/anti/thesaurus/synonyms
ChicagoSmart Define. 2015. "anti thesaurus" https://smartdefine.org/anti/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, anti thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/anti/thesaurus/synonyms>.
MLASmart Define. "anti thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/anti/thesaurus/synonyms>