Grey

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

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

intermediate in character or position

showing characteristics of age, especially having grey or white hair

clothing that is a grey color

any organization or party whose uniforms or badges are grey

a neutral achromatic color midway between white and black

horse of a light gray or whitish color

Englishman who as Prime Minister implemented social reforms including the abolition of slavery throughout the British Empire (1764-1845)

Queen of England for nine days in 1553; she was quickly replaced by Mary Tudor and beheaded for treason (1537-1554)

United States writer of western adventure novels (1875-1939)

make grey

turn grey