n.
Pronunciation: ' fro ̇ st
Function: noun
Etymology: Middle English, from Old English; akin to Old High German frost ― more at FREEZE
Date: before 12th century
1 a : the process of freezing b : a covering of minute ice crystals on a cold surface also : ice particles formed from a gas c : the temperature that causes freezing
2 a : coldness of deportment or temperament : an indifferent, reserved, or unfriendly manner b : FAILURE <the play was ⋯ a most dreadful frost ― Arnold Bennett>