50 entries under unfavorable topic. ×

24
contrary(adjective, difficult, cross, opposition, negative)
19
detrimental(adjective, hostile, antagonistic, damaging)
18
disadvantageous(adjective, person, help, unfriendly, antagonistic)
18
inimical(adjective, person, mean, bad, wrong)
17
bad(adjective, person, mean, wrong, evil)
14
injurious(adjective, person, unfriendly, antagonistic)
13
inauspicious(adjective, unpleasant, negative, unfortunate, annoying)
13
negative(adjective, help, bad, hostile, antagonistic)
13
opposed(adjective, support, mean, bad, opposition)
13
opposite(adjective, mean, disgusting, reverse, hostile)
13
unpropitious(adjective, mean, bad, wrong, evil)
12
opposing(adjective, support, opposition, hostile, antagonistic)
12
conflicting(adjective, negative, disgusting, reverse, hostile)
12
repugnant(adjective, bad, disgusting, reverse, hostile)
12
unfriendly(adjective, person, bad, disgusting, hostile)
12
unlucky(adjective, bad, unpleasant, negative, hostile)
11
deleterious(adjective, distressing, hurtful, detrimental)
9
unfortunate(adjective, bad, poor, negative, awkward)
8
baleful(adjective, harmful, threatening, injurious)
8
prejudicial(adjective, distressing, harmful, injurious)
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APASmart Define. (2016). adverse thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/adverse/thesaurus/synonyms
ChicagoSmart Define. 2016. "adverse thesaurus" https://smartdefine.org/adverse/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, adverse thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/adverse/thesaurus/synonyms>.
MLASmart Define. "adverse thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/adverse/thesaurus/synonyms>