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