unknown

Noun · Adjective

WordNet 3.0

an unknown and unexplored region“they came like angels out the unknown”Synonyms: unknown region terra incognita
anyone who does not belong in the environment in which they are foundSynonyms: stranger alien
a variable whose values are solutions of an equationSynonyms: unknown quantity

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”Synonyms: nameless unidentified unnamed
not known to exist“things obscurely felt surged up from unknown depths”
not famous or acclaimed“an obscure family”“unsung heroes of the war”Synonyms: obscure unsung
not known before“used many strange words”“saw many strange faces in the crowd”“don't let anyone unknown into the house”Synonyms: strange

Unknown \Un*known"\, a. Not known; not apprehended. -- Un*known"ness, n. [R.] --Camden. [1913 Webster]