101 entries under harmful topic. ×

7
disastrous(adjective, bad, unhappy, inappropriate, adverse)
7
fatal(adjective, bad, evil, dangerous)
7
negative(adjective, injurious, unfavorable, disapproving)
6
catastrophic(adjective, injurious, deadly, destructive)
6
devastating(adjective, bad, evil, injurious)
6
lethal(adjective, bad, dangerous, injurious)
6
poisonous(adjective, bad, evil, offensive, cruel)
6
toxic(adjective, bad, dangerous, injurious)
5
cataclysmic(adjective, injurious, deadly, destructive)
5
distressing(adjective, awful, terrible, cruel, unkind)
5
inimical(adjective, negative, injurious, unfavorable)
5
nocuous(adjective, cruel, negative, unkind, distressing)
5
unwholesome(adjective, injurious, destructive, detrimental)
5
venomous(adjective, bad, dangerous, injurious)
5
virulent(adjective, injurious, destructive, detrimental)
4
hostile(adjective, negative, disapproving, hurtful)
4
noisome(adjective, bad, offensive, foul, revolting)
4
unfavorable(adjective, bad, poor, detrimental)
4
wicked(adjective, bad, negative, dangerous)
3
crippling(adjective, injurious, destructive, disastrous)
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APASmart Define. (2016). damaging thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/damaging/thesaurus/synonyms
ChicagoSmart Define. 2016. "damaging thesaurus" https://smartdefine.org/damaging/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, damaging thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/damaging/thesaurus/synonyms>.
MLASmart Define. "damaging thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/damaging/thesaurus/synonyms>