- graygray1 [grā]adj.[ME grai < OE græg, akin to Ger grau < IE base * ĝher-, to shine, gleam > Czech zříti, to see]1. of a color that is a mixture or blend of black and white2.a) darkish; dullb) dreary; dismal3.a) having hair that is grayb) old, or old and respected4. wearing gray garments or uniforms5. designating a vague, intermediate area, as between morality and immoralityn.1. an achromatic color made by mixing or blending black and white: see COLOR2. an animal or thing colored gray; esp., a gray horse3. gray or unbleached fabric or clothing4. [often G-]a) a person or group wearing a gray uniformb) a Confederate soldiervt., vi.to make or become graygraylyadv.graynessn.gray2 [grā]n.the basic unit of an absorbed dose of radiation in the SI system, equal to the absorption of one joule of energy per kilogram of material (100 rads): abbrev. Gy
English World dictionary. V. Neufeldt. 2014.