grey

1a : of the color gray

b : tending toward gray blue-gray eyes

c : dull in color

2 : having the hair gray : hoary

3 : clothed in gray

4a : lacking cheer or brightness in mood, outlook, style, or flavor also : dismal, gloomy a gray day

b : prosaically ordinary : dull, uninteresting the boring, gray dullness of government— P. J. O'Rourke

5 : having an intermediate and often vaguely defined position, condition, or character an ethically gray area

less common spelling of gray