40 entries under devastating topic. ×

2
suicidal(adjective, harmful, injurious, damaging, deadly)
2
wreckful(adjective, harmful, injurious, damaging, deadly)
1
annihilative(adjective, harmful, injurious, damaging, deadly)
1
cutthroat(adjective, harmful, injurious, damaging, deadly)
1
eradicative(adjective, harmful, injurious, damaging, deadly)
1
extirpative(adjective, harmful, injurious, damaging, deadly)
1
fell(adjective, harmful, injurious, damaging, deadly)
1
hurtful(adjective, severe, unpleasant, awful, terrible)
1
lethal(adjective, grave, harmful, injurious, damaging)
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
mortal(adjective, grave, harmful, injurious, damaging)
1
noisome(adjective, harmful, injurious, damaging, deadly)
1
noxious(adjective, harmful, injurious, damaging, deadly)
1
pestiferous(adjective, harmful, injurious, damaging, deadly)
1
pestilential(adjective, harmful, injurious, damaging, deadly)
1
slaughterous(adjective, harmful, injurious, damaging, deadly)
1
toxic(adjective, harmful, injurious, damaging, deadly)
1
venomous(adjective, harmful, injurious, damaging, deadly)
1
wrackful(adjective, harmful, injurious, damaging, deadly)
0
feller(injurious, deadly, fatal)
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APASmart Define. (2016). calamitous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/calamitous/thesaurus/synonyms
ChicagoSmart Define. 2016. "calamitous thesaurus" https://smartdefine.org/calamitous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, calamitous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/calamitous/thesaurus/synonyms>.
MLASmart Define. "calamitous thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/calamitous/thesaurus/synonyms>