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)
15
unfortunate(adjective, bad, sad, unhappy, awful)
15
unlucky(adjective, bad, unhappy, gloomy, negative)
14
cataclysmic(adjective, help, awful, terrible, miserable)
14
destructive(adjective, help, evil, corrupt, injurious)
12
fateful(adjective, help, sad, awful, gloomy)
12
grievous(adjective, severe, sad, unhappy, unpleasant)
12
tragic(adjective, bad, terrible, miserable, adverse)
11
deplorable(adjective, terrible, miserable, wretched, shameful)
11
devastating(adjective, dreadful, harmful, injurious, damaging)
11
evil(adjective, evil, awful, wicked, immoral)
11
woeful(adjective, sad, unhappy, unpleasant, awful)
10
harmful(adjective, severe, awful, terrible, wicked)
10
terrible(adjective, evil, sad, unhappy, awful)
9
baneful(adjective, bad, evil, wicked, immoral)
9
detrimental(adjective, evil, adverse, harmful, injurious)
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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>