Synonyms|254Antonyms|41|Broader|4Narrower|0Related|527
1
hazardous
1
ill
1
ill-omened
1
insurrectionary
1
lachrymose
1
lethiferous(adjective, harmful, injurious, damaging, deadly)
1
luckless(unhappy, miserable, wretched, unfortunate, doomed)
1
melancholy
1
morose
1
mortal(adjective, grave, harmful, injurious, damaging)
1
nasty
1
nihilist
1
nihilistic
1
noisome(adjective, harmful, injurious, damaging, deadly)
1
ominous(awful, terrible, miserable, wretched, grave)
1
opposing(adjective, adverse)
1
out of luck(expression, miserable, wretched, unfortunate, doomed)
1
pestiferous(adjective, harmful, injurious, damaging, deadly)
1
pestilential(adjective, harmful, injurious, damaging, deadly)
1
radical
For more, visit Catastrophic on Power Thesaurus
11 years ago|8.7k views|share |citing 
APASmart Define. (2015). catastrophic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/catastrophic/thesaurus/synonyms
ChicagoSmart Define. 2015. "catastrophic thesaurus" https://smartdefine.org/catastrophic/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, catastrophic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/catastrophic/thesaurus/synonyms>.
MLASmart Define. "catastrophic thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/catastrophic/thesaurus/synonyms>