Frŏst'y, a.
a. [A-S. frostig, fyrstig, O. H. Ger. frostag, M. H. Ger. vrostec, N. H. Ger. frostig.]
Sense 1. Attended with, or producing, frost; having power to congeal water; as, a frosty night; frosty weather.
Sense 2. Containing frost; as, the grass is frosty.
Sense 3. Chill in affection; without warmth of affection or courage. Johnson.
Sense 4. Appearing as if covered with hoar-frost; white; gray-haired; as, a frosty head. Shak.