Synonyms|515Antonyms|114|Broader|5Narrower|1Related|908

68 entries under harmful topic. ×

6
nocuous(adjective, injurious, damaging, unfavorable)
5
spiteful(adjective, mean, evil, nasty, negative)
5
unhealthy(adjective, injurious, damaging, destructive)
5
unwholesome(adjective, injurious, damaging, destructive)
4
fell(adjective, injurious, damaging, deadly)
4
malefic(negative, threatening, injurious, damaging)
4
unfavorable(adjective, threatening, menacing, ominous)
3
catastrophic(adjective, injurious, damaging, deadly)
3
devastating(adjective, sad, sorrow, depression, woe)
3
rancorous(adjective, mean, nasty, negative, vicious)
2
cataclysmic(adjective, injurious, damaging, deadly)
2
inimical(adjective, negative, injurious, damaging)
2
mortal(adjective, bad, evil, injurious)
2
negative(adjective, unfavorable, hurtful, arouse bad feelings)
2
pestiferous(adjective, bad, evil, injurious)
2
pestilential(adjective, bad, evil, injurious)
1
annihilative(adjective, injurious, damaging, deadly)
1
consumptive(adjective, injurious, damaging, deadly)
1
crippling(adjective, injurious, damaging, destructive)
1
cutthroat(adjective, injurious, damaging, deadly)
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ChicagoSmart Define. 2016. "baleful thesaurus" https://smartdefine.org/baleful/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, baleful thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/baleful/thesaurus/synonyms>.
MLASmart Define. "baleful thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/baleful/thesaurus/synonyms>