XX

Numeral

 * 1) A Roman numeral representing the number 20.

Etymology 2
From X chromosome.

Adjective

 * 1)  Having a female configuration of chromosomes as per the XY system.

Derived terms

 * XX male syndrome

Adjective

 * 1)  Extra large, a garment size

Synonyms

 * XL

Etymology
From ××.

Noun

 * 1) X (hidden name)
 * 김XX 씨.
 * Mr. Kim X.