40 entries under devastating topic. ×

7
calamitous(adjective, sad, painful, suffering, dreadful)
7
damaging(adjective, bad, evil, cruel, unkind)
6
hurtful(adjective, bad, evil, cruel, unkind)
6
dire(adjective, awful, terrible, horrible, painful)
6
internecine(adjective, harmful, killing, injurious, damaging)
5
evil(adjective, bad, cruel, unkind, distressing)
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, damaging, fatal)
2
consumptive(adjective, harmful, injurious, damaging, fatal)
2
fell(adjective, unpleasant, heavy, grim, acute)
1
annihilative(adjective, harmful, injurious, damaging, fatal)
1
eradicative(adjective, harmful, injurious, damaging, fatal)
1
extirpative(adjective, harmful, injurious, damaging, fatal)
1
lethiferous(adjective, harmful, killing, injurious, damaging)
1
slaughterous(adjective, unpleasant, grim, grave, harmful)
1
wrackful(adjective, harmful, injurious, damaging, fatal)
1
wreckful(adjective, harmful, injurious, damaging, fatal)
0
feller(adjective, grave, injurious, fatal, murderous)
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APASmart Define. (2016). deadly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms
ChicagoSmart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, deadly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>.
MLASmart Define. "deadly thesaurus" 26 March 2016. Web. 22 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms>