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We found 44 dictionaries with English definitions that include the word a priori:
Click on the first link on a line below to go directly to a page where "a priori" is defined.

General (30 matching dictionaries)

1. a priori: Merriam-Webster.com [home, info]
2. a priori: Oxford Learner's Dictionaries [home, info]
3. a priori: American Heritage Dictionary of the English Language [home, info]
4. a priori: Collins English Dictionary [home, info]
5. a priori: Vocabulary.com [home, info]
6. a priori: Macmillan Dictionary [home, info]
7. a-priori, a priori: Wordnik [home, info]
8. a priori: Cambridge Advanced Learner's Dictionary [home, info]
9. a priori: Wiktionary [home, info]
10. a priori: The Wordsmyth English Dictionary-Thesaurus [home, info]
11. a priori: Infoplease Dictionary [home, info]
12. A priori, a priori: Dictionary.com [home, info]
13. a priori: Online Etymology Dictionary [home, info]
14. a priori: UltraLingua English Dictionary [home, info]
15. A priori (disambiguation), A priori (epistemology), A priori (languages), A priori (philosophy), A priori: Wikipedia, the Free Encyclopedia [home, info]
16. A priori: Online Plain Text English Dictionary [home, info]
17. a priori: Rhymezone [home, info]
18. A priori: AllWords.com Multi-Lingual Dictionary [home, info]
19. a priori: Hutchinson's Dictionary of Difficult Words [home, info]
20. A Priori: 1911 edition of the Encyclopedia Britannica [home, info]
21. a priori: Free Dictionary [home, info]
22. a priori: Hutchinson Dictionaries [home, info]
23. a priori: Mnemonic Dictionary [home, info]
24. a_priori: Foreign Words and Phrases [home, info]
25. a priori: WordNet 1.7 Vocabulary Helper [home, info]
26. a priori: LookWAYup Translating Dictionary/Thesaurus [home, info]
27. A priori: Phrase Finder [home, info]
28. a priori: Dictionary/thesaurus [home, info]

Art (2 matching dictionaries)

29. a priori: ArtLex Lexicon of Visual Art Terminology [home, info]
30. a priori: Dictionary of Philosophical Terms and Names [home, info]

Business (4 matching dictionaries)

31. a priori: Glossary of research economics [home, info]
32. A priori: Inflation Glossary [home, info]
33. a priori: BusinessDictionary.com [home, info]
34. A-priori, a priori: Legal dictionary [home, info]

Computing (1 matching dictionary)

35. A-priori, a priori: Encyclopedia [home, info]

Medicine (1 matching dictionary)

36. A priori: Microbial Genetics Glossary [home, info]

Miscellaneous (2 matching dictionaries)

37. a_priori: A Brief Critical Dictionary of Education [home, info]
38. a priori: Idioms [home, info]

Religion (1 matching dictionary)

39. A PRIORI: Irivng Hexham's Concise Dictionary of Religion [home, info]

Science (2 matching dictionaries)

40. a priori: PlanetMath Encyclopedia [home, info]
41. a priori: FOLDOP - Free On Line Dictionary Of Philosophy [home, info]

Slang (1 matching dictionary)

42. a priori: Urban Dictionary [home, info]

(Note: See apriority for more definitions.)

Quick definitions from WordNet (a priori) ▸ adjective:  involving deductive reasoning from a general principle to a necessary effect; not supported by fact ("An a priori judgment") ▸ adjective:  based on hypothesis or theory rather than experiment ▸ adverb:  derived by logic, without observed facts ▸ Also see apriority ▸ Word origin ▸ Words similar to a priori ▸ Usage examples for a priori ▸ Idioms related to a priori (New!) ▸ Popular nouns described by a priori ▸ Words that often appear near a priori ▸ Rhymes of a priori ▸ Invented words related to a priori