1
general::
adj. cold enough for frost VERBS be, look | become, get, turn when the weather turns frosty | remain, stay ADV. very PHRASES cold and frosty The day dawned cold and frosty. unfriendly VERBS be, look, seem | become, turn He cool green eyes became positively frosty. | remain ADV. decidedly, distinctly, positively, very The atmosphere in the room was decidedly frosty. | pretty
Oxford Collocations Dictionary