not known; an unknown amount; an unknown island; an unknown writer; an unknown source'

an unknown and unexplored region; they came like angels out the unknown

[ Syn: unknown region , terra incognita ]

anyone who does not belong in the environment in which they are found

[ Syn: stranger , alien ]

a variable whose values are solutions of an equation

[ Syn: unknown quantity ]

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 ]

not known to exist; things obscurely felt surged up from unknown depths'

not famous or acclaimed; an obscure family; unsung heroes of the war

[ Syn: obscure , unsung ]

not known before; used many strange words; saw many strange faces in the crowd; dont let anyone unknown into the house

[ Syn: strange ]