Webster's Revised Unabridged Dictionary · 1913

Frosty

Frosty , adjective

[Compare Anglo-Saxon fyrstig.]

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