frosty [frostier, frostiest]◼◼◼adjective [UK: ˈfrɒ.sti] [US: ˈfrɒ.sti]My horse's breath was steaming in the frosty air. = Der Atem meines Pferdes dampfte in der frostigen Luft.
chilly [chillier, chilliest]◼◼◻adjective [UK: ˈtʃɪ.li] [US: ˈtʃɪ.li]It was chilly. = Es war frostig.