Griseous

1 clue
Gray __
Similar answers:
Advantageous
Ahideousmind
Ambergris
Aqueous
Aqueoushumor
Arenaceous
Beauteous
Beauteousflower
Boldcourageous
Bounteous
Captainscourageous
Caseous
Cinereous
Contemporaneous
Corneous
Courageous
Courteous
Courteously
Curvaceous
Disadvantageous