Meaning of UNKNOWN in English

UNKNOWN

/un nohn"/ , adj.

1. not known; not within the range of one's knowledge, experience, or understanding; strange; unfamiliar.

2. not discovered, explored, identified, or ascertained: the unknown parts of Antarctica.

3. not widely known; not famous; obscure: an unknown writer.

n.

4. 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.

5. Math. 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.

[ 1250-1300; ME unknow ( e ) n. See UN- 1 , KNOWN ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .