grey

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

the little grey cells

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

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

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

any organization or party whose uniforms or badges are grey

the Confederate army was a vast grey