We found 37 dictionaries that define the word existence:

General (26 matching dictionaries)

1. existence: Merriam-Webster.com
2. existence: Oxford Learner's Dictionaries
3. existence: American Heritage Dictionary of the English Language
4. existence: Collins English Dictionary
5. existence: Vocabulary.com
6. Existence, existence: Wordnik
7. existence: Cambridge Advanced Learner's Dictionary
8. existence: Wiktionary
9. existence: Webster's New World College Dictionary, 4th Ed.
10. existence: The Wordsmyth English Dictionary-Thesaurus
11. existence: Infoplease Dictionary
12. Existence, existence: Dictionary.com
13. existence: Online Etymology Dictionary
14. existence: Cambridge Essential American English Dictionary
15. Existence (Audiomachine album), Existence (The X-Files), Existence (disambiguation), Existence (novel), Existence: Wikipedia, the Free Encyclopedia
16. Existence: Online Plain Text English Dictionary
17. existence: Webster's Revised Unabridged, 1913 Edition
18. existence: Rhymezone
19. existence, existence (f): AllWords.com Multi-Lingual Dictionary
20. existence: Webster's 1828 Dictionary
21. existence: Free Dictionary
22. existence: Mnemonic Dictionary
23. existence: Dictionary/thesaurus
24. existence: Wikimedia Commons US English Pronunciations

Art (2 matching dictionaries)

25. existence: Dictionary of Philosophical Terms and Names
26. The Organon: A Conceptually Indexed Dictionary (by Genus and Differentia) (No longer online)

Business (1 matching dictionary)

27. existence: Legal dictionary

Computing (1 matching dictionary)

28. existence: Encyclopedia

Medicine (1 matching dictionary)

29. online medical dictionary (No longer online)

Miscellaneous (2 matching dictionaries)

30. existence: Idioms
31. existence: Stanford Encyclopedia of Philosophy

Religion (1 matching dictionary)

32. Irivng Hexham's Concise Dictionary of Religion (No longer online)

Science (2 matching dictionaries)

33. Existence: Eric Weisstein's World of Mathematics
34. FOLDOP - Free On Line Dictionary Of Philosophy (No longer online)

Slang (1 matching dictionary)

35. existence: Urban Dictionary

(Note: See existences as well.)

Definitions from Wiktionary ( ) ▸ noun:  The state of being, existing, or occurring; beinghood. ▸ noun:  Empirical reality; the substance of the physical universe. (Dictionary of Philosophy; 1968) Similar: beingness, being, nature, world, creation, universe, cosmos, macrocosm, existance, nonexistence, more... Opposite: nonexistence, absence, nothingness, void, oblivion Types: physical, metaphysical, spiritual, theoretical, empirical, subjective, objective, absolute, relative, more... Phrases: in existence, eternal existence, Existence theorem, timeless existence, self existence, more... Adjectives: very, human, own, non, continued, real, independent, mere, separate, actual, national Colors:     blue,     green,     black,     white,     gray, more... ▸ Word origin ▸ Words similar to existence ▸ Usage examples for existence ▸ Idioms related to existence ▸ Wikipedia articles (New!) ▸ Popular adjectives describing existence ▸ Words that often appear near existence ▸ Rhymes of existence ▸ Invented words related to existence