1. comparative form of gray; more gray in color
2. having more gray hair than before; showing more signs of aging

Examples

• The sky grew grayer as the storm approached.
• His beard looked grayer than it had last year.
• The old building’s walls were grayer after years of weathering.
• She noticed her hair was getting grayer each month.
• The grayer clouds promised heavy rain.
• His temples were grayer now than in his wedding photos.