13 entries under dreadful topic. ×

18
catastrophic(adjective, help, awful, terrible, miserable)
18
disastrous(adjective, help, awful, terrible, miserable)
17
ruinous(adjective, help, awful, terrible, painful)
15
calamitous(adjective, help, awful, terrible, miserable)
13
fatal(adjective, help, painful, suffering)
10
devastating(adjective, harmful, unfortunate, injurious)
8
dire(adjective, awful, terrible, miserable, painful)
8
harmful(adjective, unfortunate, injurious, damaging)
4
deadly(adjective, sad, awful, painful, suffering)
4
pernicious(adjective, harmful, injurious, damaging)
1
adverse(unfortunate, injurious, damaging, destructive)
1
unfavorable(miserable, wretched, unfortunate, doomed)
1
unfortunate(adjective, awful, terrible, miserable, wretched)
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APASmart Define. (2015). cataclysmic thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cataclysmic/thesaurus/synonyms
ChicagoSmart Define. 2015. "cataclysmic thesaurus" https://smartdefine.org/cataclysmic/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, cataclysmic thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cataclysmic/thesaurus/synonyms>.
MLASmart Define. "cataclysmic thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/cataclysmic/thesaurus/synonyms>