adjectives
devoid of warmth and cordiality; expressive of unfriendliness or disdain
"a frigid greeting"; "got a frosty reception"; "a frozen look on their faces"; "a glacial handshake"; "icy stare"; "wintry smile"
covered with frost
"a frosty glass"; "hedgerows were rimed and stiff with frost"-Wm.Faulkner
pleasantly cold and invigorating
"crisp clear nights and frosty mornings"; "a nipping wind"; "a nippy fall day"; "snappy weather"