86 entries under injurious topic. ×

8
malign(adjective, mean, bad, evil, nasty)
8
virulent(adjective, mean, bad, evil, nasty)
7
calamitous(adjective, harmful, damaging, deadly)
7
catastrophic(adjective, harmful, damaging, deadly)
7
lethal(adjective, bad, evil, harmful)
7
malicious(adjective, mean, bad, wrong, evil)
6
insalubrious(adjective, offensive, foul, disgusting, harmful)
6
venomous(adjective, mean, bad, evil, nasty)
5
fatal(adjective, bad, evil, harmful)
5
malefic(adjective, negative, harmful, threatening)
4
devastating(adjective, bad, evil, wicked, harmful)
4
sinister(adjective, bad, evil, nasty, negative)
3
cataclysmic(adjective, harmful, damaging, deadly)
3
pestiferous(adjective, bad, evil, harmful)
3
unhealthful(adjective, offensive, foul, disgusting, unhealthy)
2
pestilential(adjective, bad, evil, harmful)
2
corroding(damaging, destructive)
2
corrupting(distressing, harmful, damaging, destructive)
2
crippling(adjective, harmful, damaging, destructive)
2
dire(adjective, nasty, harmful, damaging)
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APASmart Define. (2016). deleterious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/deleterious/thesaurus/synonyms
ChicagoSmart Define. 2016. "deleterious thesaurus" https://smartdefine.org/deleterious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, deleterious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/deleterious/thesaurus/synonyms>.
MLASmart Define. "deleterious thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/deleterious/thesaurus/synonyms>