What is the meaning of unknown?


  • (n.) unknown, unknown region, terra incognita (an unknown and unexplored region) "they came like angels out the unknown"
  • (n.) stranger, alien, unknown (anyone who does not belong in the environment in which they are found)
  • (n.) unknown, unknown quantity (a variable whose values are solutions of an equation)


  • (adj.) unknown (not known) "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
  • (adj.) nameless, unidentified, unknown, unnamed (being or having an unknown or unnamed source) "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
  • (adj.) unknown (not known to exist) "things obscurely felt surged up from unknown depths"
  • (adj.) obscure, unknown, unsung (not famous or acclaimed) "an obscure family"; "unsung heroes of the war"
  • (adj.) strange, unknown (not known before) "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"
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APAWordNet. (2010). unknown. Retrieved July 28, 2015, from http://smartdefine.org/unknown/definitions/1186854
ChicagoWordNet. 2010. "unknown" http://smartdefine.org/unknown/definitions/1186854 (accessed July 28, 2015).
HarvardWordNet 2010, unknown, Smart Define, viewed 28 July, 2015, <http://smartdefine.org/unknown/definitions/1186854>.
MLAWordNet. "unknown" 23 October 2010. Web. 28 July 2015. <http://smartdefine.org/unknown/definitions/1186854>
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