58 entries under unfriendly topic. ×

18
disadvantageous(adjective, person, help, antagonistic)
18
hostile(adjective, person, mean, bad, wrong)
18
inimical(adjective, person, mean, bad, wrong)
17
harmful(adjective, person, injurious, hurtful)
17
bad(adjective, person, mean, wrong, evil)
14
antagonistic(adjective, support, person, mean, bad)
14
injurious(adjective, person, antagonistic, unfavorable)
13
opposed(adjective, support, mean, bad, opposition)
13
opposite(adjective, mean, disgusting, reverse, hostile)
13
unpropitious(adjective, mean, bad, wrong, evil)
5
anti(adjective, mean, negative, hostile)
4
malignant(adjective, mean, evil, nasty)
4
nasty(adjective, person, mean, bad, disgusting)
4
ornery(adjective, mean, informal, cross, negative)
2
alien(adjective, mean, bad, nasty, disgusting)
2
allergic(mean, nasty, hostile, antagonistic)
2
argumentative(adjective, mean, nasty, hostile)
2
cold(adjective, person, mean, nasty)
2
competitive(adjective, mean, nasty, hateful)
2
contentious(adjective, mean, nasty, hateful)
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APASmart Define. (2016). adverse thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/adverse/thesaurus/synonyms
ChicagoSmart Define. 2016. "adverse thesaurus" https://smartdefine.org/adverse/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, adverse thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/adverse/thesaurus/synonyms>.
MLASmart Define. "adverse thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/adverse/thesaurus/synonyms>