glacial
     adj 1: relating to or derived from a glacier; "glacial deposit"
     2: 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" [syn: {frigid},
         {frosty}, {frozen}, {icy}, {wintry}]
     3: extremely cold; "an arctic climate";  "a frigid day"; "gelid
        waters of the North Atlantic"; "glacial winds"; "icy
        hands"; "polar weather" [syn: {arctic}, {frigid}, {gelid},
         {icy}, {polar}]
Source: WordNet® 2.0