The highest scoring word in Words With Friends is WINTRY with a total of 12 points.
Synonyms: bleak, cold, chilly, frosty, freezing, icy, snowy, icy-cold, arctic, glacial, frigid, bitter, biting, piercing, sharp, raw, unfriendly, cool, chilly, cold, frosty, frigid, glacial, bleak, distant, remote