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We found 53 dictionaries that include the word one:

General (36 matching dictionaries)

1. -one: Merriam-Webster.com [home, info]
2. one, the one: Oxford Learner's Dictionaries [home, info]
3. one: American Heritage Dictionary of the English Language [home, info]
4. -one, one, the one: Collins English Dictionary [home, info]
5. one: Vocabulary.com [home, info]
6. one: Macmillan Dictionary [home, info]
7. ONe, One, One, One, -one, one, one, one, one, one, one, one, one, one, oNe, the-one: Wordnik [home, info]
8. one: Cambridge Advanced Learner's Dictionary [home, info]
9. -one, one, the one: Wiktionary [home, info]
10. -one, one: Webster's New World College Dictionary, 4th Ed. [home, info]
11. -one, one: The Wordsmyth English Dictionary-Thesaurus [home, info]
12. one: Infoplease Dictionary [home, info]
13. One-, One, -one, one: Dictionary.com [home, info]
14. one: Online Etymology Dictionary [home, info]
15. one: UltraLingua English Dictionary [home, info]
16. one: Cambridge Dictionary of American English [home, info]
17. one, one, one: Cambridge International Dictionary of Idioms [home, info]
18. O.N.E. (song), ONE, One (A Chorus Line song), One (Ahmad Jamal album), One (Aimer song), One (Alanis Morissette song), One (Always Hardcore), One (Angela Aki EP), One (Arashi album), One (Australian TV channel), One (Bach novel), One (Bee Gees album), One (Bee Gees song), One (Blake's Got a New Face), One (Bob James album), One (Canadian TV channel), One (Casualty), One (Creed song), One (Crossan novel), One (Cursed album), One (Dirty Vegas album), One (Ed Sheeran song), One (Edita Abdieski album), One (Fat Joe song), One (Filter song), One (German TV channel), One (Harry Nilsson song), One (Hellbound), One (Hillsong United EP), One (Ida Corr album), One (Johnny Cash song), One (Maher Zain album), One (Maltese TV channel), One (Mary J. Blige single), One (Metallica song), One (N-Gage game), One (Neal Morse album), One (NoMeansNo album), One (Nomeansno album), One (Oldominion album), One (Ra EP), One (Sky Ferreira song), One (South Korean singer), One (Southeast Asia TV channel), One (Swedish House Mafia song), One (Tesseract album), One (The Never Ending EP), One (The Panic Channel album), One (Three Dog Night song), One (Tying Tiffany EP), One (U2 Song), One (U2 song), One (Yuval Ron album), One (band), One (disambiguation), One (number), One (opera), One (pronoun), One (radio series), One (rapper), One (sixth form college), One (song), One (song) (disambiguation), One (video game), One (website), One (word), One, The ONE, (Not) The One, The One (Afgansyah Reza album), The One (Backstreet Boys song), The One (Chubb Rock album), The One (Colombo), The One (EP), The One (Elton John album), The One (Elton John song), The One (Foo Fighters song), The One (Frankie J album), The One (GOOD Music song), The One (Kodaline song), The One (Kylie Minogue song), The One (Mary J. Blige song), The One (Neoplatonism), The One (Sasha album), The One (Shakira song), The One (Shinichi Osawa album), The One (Slaughterhouse song), The One (TV channel), The One (Tamar Braxton song), The One (The Chainsmokers song), The One (Toronto), The One (Trina album), The One (Uverworld album), The One (Yandel album), The One (band), The One (comics), The One (company), The One (disambiguation), The One (film), The One (magazine), The One (shopping centre), The One (singer), The One (video), The One, The one, -one, .one, .one (domain), .one (top-level domain): Wikipedia, the Free Encyclopedia [home, info]
19. One, -one: Online Plain Text English Dictionary [home, info]
20. one: Webster's Revised Unabridged, 1913 Edition [home, info]
21. one: Rhymezone [home, info]
22. one: AllWords.com Multi-Lingual Dictionary [home, info]
23. one: Webster's 1828 Dictionary [home, info]
24. -one, one: MyWord.info [home, info]
25. ONE, one: Stammtisch Beau Fleuve Acronyms [home, info]
26. one: All About Homonyms [home, info]
27. one: Free Dictionary [home, info]
28. one: Mnemonic Dictionary [home, info]
29. one: WordNet 1.7 Vocabulary Helper [home, info]
30. one: LookWAYup Translating Dictionary/Thesaurus [home, info]
31. one, one-: Dictionary/thesaurus [home, info]
32. One (manga artist): Wikipedia, the Free Encyclopedia [home, info]
33. one: Merriam-Webster.com [home, info]
34. -one: Oxford Learner's Dictionaries [home, info]

Art (2 matching dictionaries)

35. one: The Organon: A Conceptually Indexed Dictionary (by Genus and Differentia) [home, info]
36. One: Dictionary of Symbolism [home, info]

Business (2 matching dictionaries)

37. one: Legal dictionary [home, info]
38. one: Financial dictionary [home, info]

Computing (1 matching dictionary)

39. -one, one: Encyclopedia [home, info]

Medicine (2 matching dictionaries)

40. ONE: Vocabulary of Loss: Suicide, Grief, and Ethics [home, info]
41. -one, one: Medical dictionary [home, info]

Miscellaneous (5 matching dictionaries)

42. one: Sound-Alike Words [home, info]
43. ONE: Acronym Finder [home, info]
44. ONE: Three Letter Words with definitions [home, info]
45. ONE: AbbreviationZ [home, info]
46. one: Idioms [home, info]

Science (2 matching dictionaries)

47. One: Eric Weisstein's World of Mathematics [home, info]
48. one: MATH SPOKEN HERE! [home, info]

Slang (1 matching dictionary)

49. O.N.E, The One: Urban Dictionary [home, info]

Tech (2 matching dictionaries)

50. One: AUTOMOTIVE TERMS [home, info]
51. ONE: DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations [home, info]

(Note: See ones for more definitions.)

Quick definitions from Macmillan ( ) Provided by Quick definitions from WordNet (one) ▸ noun:  a single person or thing ("He is the best one") ▸ noun:  the smallest whole number or a numeral representing this number ("He has the one but will need a two and three to go with it") ▸ adjective:  being a single entity made by combining separate components ("Three chemicals combining into one solution") ▸ adjective:  used of a single unit or thing; not two or more ▸ Also see ones ▸ Word origin ▸ Words similar to one ▸ Usage examples for one ▸ Idioms related to one (New!) ▸ Popular adjectives describing one ▸ Popular nouns described by one ▸ Words that often appear near one ▸ Rhymes of one ▸ Invented words related to one