We found 21 dictionaries that define the word cataclysmic:

General (18 matching dictionaries)

1. cataclysmic: Merriam-Webster
2. cataclysmic: Oxford Learner's Dictionaries
3. cataclysmic: Collins English Dictionary
4. cataclysmic: Vocabulary.com
5. Cataclysmic, cataclysmic: Wordnik
6. cataclysmic: Cambridge Advanced Learner's Dictionary
7. cataclysmic: Wiktionary
8. cataclysmic: Infoplease Dictionary
9. cataclysmic: Dictionary.com
10. cataclysmic: Cambridge Essential American English Dictionary
11. Cataclysmic: Online Plain Text English Dictionary
12. cataclysmic: Rhymezone
13. Cataclysmic: AllWords.com Multi-Lingual Dictionary
14. cataclysmic: FreeDictionary.org
15. cataclysmic: Mnemonic Dictionary
16. cataclysmic: TheFreeDictionary.com

Business (1 matching dictionary)

17. cataclysmic: Legal dictionary

Computing (1 matching dictionary)

18. cataclysmic: Encyclopedia

Miscellaneous (1 matching dictionary)

19. cataclysmic: Cats

(Note: See cataclysm as well.)

Definitions from Wiktionary ( ) ▸ adjective:  Of or pertaining to a cataclysm; causing great destruction or upheaval; catastrophic. Similar: destructive, cataclysmatic, catastrophic, cataclysmical, catastatic, catastrophal, catastrophist, clysmian, disastrous, katastatic, more... Opposite: minor, insignificant, uneventful, peaceful Types: meteor, tsunami, earthquake, volcano, hurricane, tornado, flood, avalanche, landslide, more... Phrases: cataclysmic variable, Cataclysmic variable star, Cataclysmic pole shift hypothesis, opposite of cataclysmic, more... Colors:     crimson,     charcoal,     ash gray,     blood red,     midnight blue, more... ▸ Words similar to cataclysmic ▸ Usage examples for cataclysmic ▸ Idioms related to cataclysmic ▸ Wikipedia articles (New!) ▸ Popular nouns described by cataclysmic ▸ Words that often appear near cataclysmic ▸ Rhymes of cataclysmic ▸ Invented words related to cataclysmic