Noun | 1. | unknown - an unknown and unexplored region; 'they came like angels out the unknown' terra incognita, unknown region region - a large indefinite location on the surface of the Earth; 'penguins inhabit the polar regions' |
2. | unknown - anyone who does not belong in the environment in which they are found outsider, foreigner - someone who is excluded from or is not a member of a group interloper, intruder, trespasser - someone who intrudes on the privacy or property of another without permission | |
3. | unknown - a variable whose values are solutions of an equation variable - a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity | |
Adj. | 1. | unknown - not known; 'an unknown amount'; 'an unknown island'; 'an unknown writer'; 'an unknown source' unfamiliar - not known or well known; 'a name unfamiliar to most'; 'be alert at night especially in unfamiliar surroundings' inglorious - not bringing honor and glory; 'some mute inglorious Milton here may rest' known - apprehended with certainty; 'a known quantity'; 'the limits of the known world'; 'a musician known throughout the world'; 'a known criminal' |
2. | unknown - being or having an unknown or unnamed source; 'a poem by an unknown author'; 'corporations responsible to nameless owners'; 'an unnamed donor' anon., anonymous - having no known name or identity or known source; 'anonymous authors'; 'anonymous donors'; 'an anonymous gift' | |
3. | unknown - not known to exist; 'things obscurely felt surged up from unknown depths' unsuspected - not suspected or believed likely; 'remained unsuspected as the head of the spy ring'; 'he was able to get into the building unspotted and unsuspected'; 'unsuspected difficulties arose'; 'unsuspected turnings in the road' | |
4. | unknown - not famous or acclaimed; 'an obscure family'; 'unsung heroes of the war' inglorious - not bringing honor and glory; 'some mute inglorious Milton here may rest' | |
5. | unknown - not known before; 'used many strange words'; 'saw many strange faces in the crowd'; 'don't let anyone unknown into the house' unfamiliar - not known or well known; 'a name unfamiliar to most'; 'be alert at night especially in unfamiliar surroundings' |