'Unknown' definitions:

Definition of 'unknown'

From: WordNet
adjective
Not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source" [ant: known]
adjective
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, unknown, unnamed]
adjective
Not known to exist; "things obscurely felt surged up from unknown depths"
adjective
Not famous or acclaimed; "an obscure family"; "unsung heroes of the war" [syn: obscure, unknown, unsung]
adjective
Not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house" [syn: strange, unknown]
noun
An unknown and unexplored region; "they came like angels out the unknown" [syn: unknown, unknown region, terra incognita]
noun
Anyone who does not belong in the environment in which they are found [syn: stranger, alien, unknown] [ant: acquaintance, friend]
noun
A variable whose values are solutions of an equation [syn: unknown, unknown quantity]

Definition of 'Unknown'

From: GCIDE
  • Unknown \Un*known"\, a. Not known; not apprehended. -- {Un*known"ness}, n. [R.] --Camden. [1913 Webster]

Synonyms of 'unknown'

From: Moby Thesaurus