Meaning of GREY in English
( US gray )
■ adjective ( ~er , ~est )
1》 of a colour intermediate between black and white, as of ashes or lead.
2》 (of hair) turning ~ or white with age.
↘ informal, chiefly N. Amer. relating to old people as a group: ~ power.
3》 (of the weather) cloudy and dull.
4》 dull and nondescript: ~, faceless men.
5》 (of financial or trading activity) not accounted for in official statistics: the ~ economy.
■ noun ~ colour or pigment.
■ verb (of hair) become ~ with age.
OE grg , of Gmc origin.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004