gray

of an achromatic color of any lightness intermediate between the extremes of white and black

“the little grey cells”

“gray flannel suit”

“a man with greyish hair”

showing characteristics of age, especially having grey or white hair

“{'source': 'Coleridge', 'text': 'whose beard with age is hoar'}”

“nodded his hoary head”

used to signify the Confederate forces in the American Civil War (who wore grey uniforms)

“a stalwart grey figure”

intermediate in character or position

“a grey area between clearly legal and strictly illegal”

a neutral achromatic color midway between white and black

clothing that is a grey color

“he was dressed in grey”

any organization or party whose uniforms or badges are grey

“the Confederate army was a vast grey”

horse of a light gray or whitish color

the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad

make grey

“The painter decided to grey the sky”

turn grey

“Her hair began to grey”