40 entries under devastating topic. ×

25
disastrous(adjective, help, bad, sad, pain)
21
catastrophic(adjective, help, sad, unhappy, awful)
18
ruinous(adjective, help, bad, pain, unhappy)
17
dire(adjective, severe, unpleasant, awful, terrible)
16
fatal(adjective, help, painful, suffering, dreadful)
14
cataclysmic(adjective, help, awful, terrible, miserable)
14
destructive(adjective, help, evil, corrupt, injurious)
11
evil(adjective, evil, awful, wicked, immoral)
10
harmful(adjective, severe, awful, terrible, wicked)
9
baneful(adjective, bad, evil, wicked, immoral)
9
detrimental(adjective, evil, adverse, harmful, injurious)
8
deadly(adjective, sad, painful, suffering, dreadful)
7
baleful(adjective, harmful, injurious, damaging, deadly)
7
damaging(adjective, bad, severe, unhappy, awful)
7
pernicious(adjective, bad, wicked, immoral, dreadful)
6
deleterious(adjective, harmful, injurious, damaging, deadly)
4
injurious(adjective, bad, severe, awful, terrible)
3
cancerous(adjective, harmful, injurious, damaging, deadly)
2
consumptive(adjective, harmful, injurious, damaging, deadly)
2
internecine(adjective, harmful, injurious, damaging, deadly)
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APASmart Define. (2016). calamitous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/calamitous/thesaurus/synonyms
ChicagoSmart Define. 2016. "calamitous thesaurus" https://smartdefine.org/calamitous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, calamitous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/calamitous/thesaurus/synonyms>.
MLASmart Define. "calamitous thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/calamitous/thesaurus/synonyms>