gray

(noun) a neutral achromatic color midway between white and black. Synonyms: grayness, grey, greyness.

(noun) clothing that is a grey color. Synonyms: grey. Examples: "He was dressed in grey."

(noun) any organization or party whose uniforms or badges are grey. Synonyms: grey. Examples: "The confederate army was a vast grey."

(noun) horse of a light gray or whitish color. Synonyms: grey.

(noun) 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. Synonyms: Gy.

(noun) English radiobiologist in whose honor the gray (the SI unit of energy for the absorbed dose of radiation) was named (1905-1965). Synonyms: Gray, Louis Harold Gray.

(noun) English poet best known for his elegy written in a country churchyard (1716-1771). Synonyms: Gray, Thomas Gray.

(noun) American navigator who twice circumnavigated the globe and who discovered the Columbia River (1755-1806). Synonyms: Gray, Robert Gray.

(noun) United States botanist who specialized in North American flora and who was an early supporter of Darwin's theories of evolution (1810-1888). Synonyms: Gray, Asa Gray.

(verb) make grey. Synonyms: grey. Examples: "The painter decided to grey the sky."

(verb) turn grey. Synonyms: grey. Examples: "Her hair began to grey."

(adj) of an achromatic color of any lightness intermediate between the extremes of white and black. Synonyms: grey, greyish, grayish. Examples: "The little grey cells." "Gray flannel suit." "A man with greyish hair."

(adj) showing characteristics of age, especially having grey or white hair. Synonyms: grey, grey-haired, gray-haired, grey-headed, gray-headed, grizzly, hoar, hoary, white-haired. Examples: "Whose beard with age is hoar"-coleridge." "Nodded his hoary head."

(adj) used to signify the Confederate forces in the American Civil War (who wore grey uniforms). Synonyms: grey. Examples: "A stalwart grey figure."

(adj) intermediate in character or position. Synonyms: grey. Examples: "A grey area between clearly legal and strictly illegal."