54 entries under damaging topic. ×

7
calamitous(adjective, sad, painful, suffering, dreadful)
6
hurtful(adjective, bad, evil, cruel, unkind)
6
dire(adjective, awful, terrible, horrible, painful)
6
internecine(adjective, harmful, killing, injurious)
5
corrupting(distressing, harmful, inexpedience, poisonous)
5
evil(adjective, bad, cruel, unkind, distressing)
5
nocuous(adjective, cruel, unkind, distressing, harmful)
4
cataclysmic(adjective, sad, awful, painful, suffering)
4
cutthroat(noun, adjective, unpleasant, grim, savage)
4
pestiferous(adjective, bad, evil, harmful, injurious)
2
cancerous(adjective, harmful, injurious, fatal)
2
consumptive(adjective, harmful, injurious, fatal)
2
disadvantageous(cruel, unkind, distressing, upsetting, harmful)
2
distressing(cruel, unkind, upsetting, harmful)
2
fell(adjective, unpleasant, heavy, grim, acute)
2
prejudicial(bad, cruel, unkind, distressing, upsetting)
1
adverse(dreadful, distressing, harmful, tragic)
1
annihilative(adjective, harmful, injurious, fatal)
1
eradicative(adjective, harmful, injurious, fatal)
1
extirpative(adjective, harmful, injurious, fatal)
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APASmart Define. (2016). deadly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms
ChicagoSmart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deadly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>.
MLASmart Define. "deadly thesaurus" 26 March 2016. Web. 23 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms>