Meaning of unknown

Definition of unknown

(adj) not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source"
being or having an unknown or unnamed source; "a poem by an unknown author"; "corporations responsible to nameless owners"; "an unnamed donor"
not known to exist; "things obscurely felt surged up from unknown depths"
not famous or acclaimed; "an obscure family"; "unsung heroes of the war"
not known before; "used many strange words"; "saw many strange faces in the crowd"; "don't let anyone unknown into the house"
(noun) an unknown and unexplored region; "they came like angels out the unknown"
anyone who does not belong in the environment in which they are found
a variable whose values are solutions of an equation

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