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We found 38 dictionaries with English definitions that include the word unknown:
Click on the first link on a line below to go directly to a page where "unknown" is defined.

General dictionaries General (28 matching dictionaries)
  1. unknown: Compact Oxford English Dictionary [home, info]
  2. unknown: American Heritage Dictionary of the English Language [home, info]
  3. unknown: Merriam-Webster's Online Dictionary, 11th Edition [home, info]
  4. unknown: Cambridge International Dictionary of English [home, info]
  5. unknown: Wiktionary [home, info]
  6. unknown: Webster's New World College Dictionary, 4th Ed. [home, info]
  7. unknown: The Wordsmyth English Dictionary-Thesaurus [home, info]
  8. unknown: Infoplease Dictionary [home, info]
  9. unknown: Dictionary.com [home, info]
  10. unknown (adj.): Online Etymology Dictionary [home, info]
  11. Unknown, unknown: UltraLingua English Dictionary [home, info]
  12. unknown: Cambridge Dictionary of American English [home, info]
  13. unknown: Cambridge International Dictionary of Idioms [home, info]
  14. The Unknown (Animorphs), The Unknown (album), The Unknown (film), The Unknown, Unknown (Tekken), Unknown (Tekken character), Unknown (film), Unknown (magazine), Unknown (movie), Unknown: Wikipedia, the Free Encyclopedia [home, info]
  15. Unknown: Online Plain Text English Dictionary [home, info]
  16. unknown: Webster's Revised Unabridged, 1913 Edition [home, info]
  17. unknown: Rhymezone [home, info]
  18. unknown: AllWords.com Multi-Lingual Dictionary [home, info]
  19. unknown: Webster's 1828 Dictionary [home, info]
  20. Unknown: E Cobham Brewer, The Reader's Handbook [home, info]
  21. unknown: Stammtisch Beau Fleuve Acronyms [home, info]
  22. Unknown: Dictionary of Phrase and Fable (1898) [home, info]
  23. unknown: Free Dictionary [home, info]
  24. unknown: Mnemonic Dictionary [home, info]
  25. unknown: WordNet 1.7 Vocabulary Helper [home, info]
  26. unknown: LookWAYup Translating Dictionary/Thesaurus [home, info]
  27. unknown: Dictionary/thesaurus [home, info]
  28. unknown: Wikimedia Commons US English Pronunciations [home, info]

Business dictionaries Business (2 matching dictionaries)
  1. UNKNOWN: Bouvier's Law Dictionary 1856 Edition [home, info]
  2. unknown: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. unknown: Encyclopedia [home, info]

Miscellaneous dictionaries Miscellaneous (3 matching dictionaries)
  1. unknown: Encyclopedia of Graphic Symbols [home, info]
  2. Unknown: Brilliant Dream Dictionary [home, info]
  3. unknown: Idioms [home, info]

Science dictionaries Science (3 matching dictionaries)
  1. Unknown: Biological Sciences Dictionary [home, info]
  2. Unknown, unknown: Botanical Name listing of Plants [home, info]
  3. Unknown: Eric Weisstein's World of Mathematics [home, info]

Tech dictionaries Tech (1 matching dictionary)
  1. unknown: DOD Dictionary of Military Terms [home, info]

Quick definitions (unknown)

noun:  a variable whose values are solutions of an equation
noun:  an unknown and unexplored region ("They came like angels out the unknown")
noun:  anyone who does not belong in the environment in which they are found
adjective:  not known ("An unknown amount")
adjective:  not known to exist
adjective:  not known before ("Don't let anyone unknown into the house")
adjective:  not famous or acclaimed
adjective:  being or having an unknown or unnamed source ("A poem by an unknown author")

U.S. pronunciation (credits)
Word origin

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Phrases that include unknown:   unknown soldier, fever of unknown origin, great unknown, hiv associated fever of unknown origin, abortedfetus of unknown sex, more...

Words similar to unknown:   alien, nameless, obscure, strange, stranger, unidentified, unnamed, unsung, terra incognita, unknown quantity, unknown region, more...


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