Frosty

1. Appearing as if covered with hoarfrost; white; gray-haired; as, a frosty head.
2. Attended with, or producing, frost; having power to congeal water; cold; freezing; as, a frosty night.
3. Chill in affection; without warmth of affection or courage.
4. Covered with frost; as, the grass is frosty.