AskDefine | Define unknown

Dictionary Definition

unknown adj
1 not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source" [ant: known]
2 being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor" [syn: nameless, unidentified, unnamed]
3 not known to exist; "things obscurely felt surged up from unsuspected depths in her"- Edith Wharton
4 not famous or acclaimed; "an obscure family"; "unsung heroes of the war" [syn: obscure, unsung]
5 not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house" [syn: strange]


1 an unknown and unexplored region; "they came like angels out the unknown" [syn: unknown region, terra incognita]
2 anyone who does not belong in the environment in which they are found [syn: stranger, alien]
3 a variable whose values are solutions of an equation [syn: unknown quantity]

User Contributed Dictionary



  • (UK): /ʌnˈnəʊn/, /Vn"n@Un/
  • (US): , /ʌnˈnoʊn/, /Vn"noUn/


  1. Not known; unidentified; not well known.
not known


  1. In algebra, a variable (usually x, y or z) whose value is to be found.
  2. Any fact or place about which nothing is known. (as in the phrase "into the unknown")

Extensive Definition

Unknown may refer to:

See also

unknown in French: Inconnu
unknown in Italian: Unknown
unknown in Korean: 언노운
unknown in Japanese: アンノウン

Synonyms, Antonyms and Related Words

Heaven, Paradise, a better place, able, abstruse, afterlife, afterworld, anonymous, beclouded, blind, buried, close, clouded, concealed, covered, covert, cryptonymic, cryptonymous, dark, dark horse, destiny, eclipsed, enigma, enigmatic, eternal home, fate, frontier, frontiers of knowledge, future state, hid, hidden, home, humble, ignotus, in a cloud, in a fog, in eclipse, in purdah, in the wings, incalculable, incognito, incognizable, incommunicado, inglorious, innominate, latent, life after death, life to come, little known, matter of ignorance, mysterious, mystery, n, nameless, next world, no credit to, obfuscated, obscure, obscured, occult, otherworld, postexistence, puzzle, puzzling, recondite, renownless, riddle, sealed, sealed book, secluded, secluse, secret, sequestered, strange, terra incognita, the beyond, the good hereafter, the grave, the great beyond, the great hereafter, the hereafter, the incalculable, the strange, the unfamiliar, the unknowable, the unknown, unacknowledged, unapparent, unapprehended, unascertained, unbeknown, uncelebrated, uncharted, unclassified, undefined, under an eclipse, under cover, under house arrest, under wraps, underground, undesignated, undisclosed, undiscoverable, undiscovered, undistinguished, undivulged, unexplained, unexplored, unexplored ground, unexplored territory, unexposed, unfamed, unfamiliar, unfathomed, unglorified, unheard, unheard-of, unhonored, unidentified, uninvestigated, unknowable, unknown quantity, unnamed, unnotable, unnoted, unnoticed, unperceived, unplumbed, unpopular, unrecognized, unremarked, unrenowned, unrevealed, unspecified, unsung, unsuspected, untold, untouched, virgin, what bodes, what is fated, without a name, world to come, wrapped in clouds, x, z
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