unknown
[ uhn-nohn ]
/ ʌnˈnoʊn /
adjective
not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar.
not discovered, explored, identified, or ascertained: the unknown parts of Antarctica.
not widely known; not famous; obscure: an unknown writer.
noun
a thing, influence, area, factor, or person that is unknown: the many unknowns in modern medicine; The director cast an unknown in the leading role.
Mathematics.
a symbol representing an unknown quantity: in algebra, analysis, etc., frequently represented by a letter from the last part of the alphabet, as x, y, or z.
Words nearby unknown
unknightly,
unknit,
unknot,
unknowable,
unknowing,
unknown,
unknown quantity,
unknown soldier,
unlace,
unlade,
unlaid
Example sentences from the Web for unknown
British Dictionary definitions for unknown
unknown
/ (ʌnˈnəʊn) /
adjective
not known, understood, or recognized
not established, identified, or discovered
an unknown island
not famous; undistinguished
some unknown artist
unknown quantity
a person or thing whose action, effect, etc, is unknown or unpredictable
noun
an unknown person, quantity, or thing
maths
a variable, or the quantity it represents, the value of which is to be discovered by solving an equation; a variable in a conditional equation
3y = 4x + 5 is an equation in two unknowns