grey (Verb) — Make grey. ex. "The painter decided to grey the sky"
grey (Verb) — Turn grey. ex. "Her hair began to grey"
grey (Adjective) — Of an achromatic colour of any lightness intermediate between the extremes of white and black. ex. "the little grey cells" ex. "grey flannel suit"
grey (Adjective) — Showing characteristics of age, especially having grey or white hair. ex. "whose beard with age is grey"
grey (Adjective) — Used to signify the Confederate forces in the American Civil War (who wore grey uniforms). ex. "a stalwart grey figure"
grey (Adjective) — Intermediate in character or position. ex. "a grey area between clearly legal and strictly illegal"
grey (Noun) — A neutral achromatic colour midway between white and black.
grey (Noun) — Clothing that is a grey colour. ex. "he was dressed in grey"
grey (Noun) — Any organization or party whose uniforms or badges are grey. ex. "the Confederate army was a vast grey"
grey (Noun) — Horse of a light grey or whitish colour.
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 grey equals 100 rad.
grey (Noun) — United States writer of western adventure novels (1875-1939).
grey (Noun) — Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554).
grey (Noun) — Englishman who as Prime Minister implemented social reforms including the abolition of slavery throughout the British Empire (1764-1845).