"The air was frosty; I could see my breath and walked quickly with my hands in my pockets.; I'd like a frosty milkshake."
2.AdjectiveHaving frost on it or in it.
"The frosty pumpkin is the sign of the end of the growing season, soon the greenery will wither and harvest end for the year.; The frosty beverage gave him a brain freeze."
3.AdjectiveHaving an aloof or inhospitable manner.
"After the divorce, she was civil but frosty to her ex."