We found 29 dictionaries that define the word Cataclysm:

General (26 matching dictionaries)

1. cataclysm: Merriam-Webster
2. cataclysm: Oxford Learner's Dictionaries
3. cataclysm: American Heritage Dictionary of the English Language
4. cataclysm: Collins English Dictionary
5. cataclysm: Vocabulary.com
6. Cataclysm, cataclysm: Wordnik
7. cataclysm: Cambridge Advanced Learner's Dictionary
8. cataclysm: Wiktionary
9. cataclysm: Webster's New World College Dictionary, 4th Ed.
10. cataclysm: The Wordsmyth English Dictionary-Thesaurus
11. cataclysm: Infoplease Dictionary
12. Cataclysm, cataclysm: Dictionary.com
13. cataclysm: Online Etymology Dictionary
14. cataclysm: Cambridge Essential American English Dictionary
15. Cataclysm (Dragonlance), Cataclysm (comics), Cataclysm: Wikipedia, the Free Encyclopedia
16. Cataclysm: Online Plain Text English Dictionary
17. cataclysm: Webster's Revised Unabridged, 1913 Edition
18. cataclysm: Rhymezone
19. Cataclysm: AllWords.com Multi-Lingual Dictionary
20. cataclysm: Webster's 1828 Dictionary
21. cataclysm: FreeDictionary.org
22. cataclysm: Mnemonic Dictionary
23. cataclysm: TheFreeDictionary.com
24. cataclysm: Longman Dictionary of Contemporary English

Business (1 matching dictionary)

25. cataclysm: Legal dictionary

Computing (1 matching dictionary)

26. cataclysm: Encyclopedia

Slang (1 matching dictionary)

27. Cataclysm: Urban Dictionary

(Note: See cataclysmal as well.)

Definitions from Wiktionary (cataclysm) ▸ noun:  A sudden, violent event. ▸ noun:  (geology) A sudden and violent change in the earth's crust. ▸ noun:  A great flood. Similar: catastrophe, disaster, calamity, tragedy, cataclasm, apocalypse, crash, disastrophe, catastrophization, bolt, more... Opposite: utopia Types: earthquake, tsunami, hurricane, tornado, flood, wildfire, more... Phrases: Nibiru cataclysm, tragedy or cataclysm, more... Adjectives: great, social, final, natural, cosmic, universal, impending, political, economic, general, sudden Colors:     black,     dark red,     charcoal,     blood red,     ash gray, more... ▸ Word origin ▸ Words similar to Cataclysm ▸ Usage examples for Cataclysm ▸ Idioms related to Cataclysm ▸ Wikipedia articles (New!) ▸ Popular adjectives describing Cataclysm ▸ Words that often appear near Cataclysm ▸ Rhymes of Cataclysm ▸ Invented words related to Cataclysm