Most frosty
Else clues• Frosted to the max
• Least affable
• Least cordial
• Least emotional
• Least friendly
• Least gregarious
• Least hospitable
• Least welcoming
• Most accurate under pressure
• Most aloof
• Most biting
• Most chilling
• Most cold, as a gaze
• Most dangerous, as winter roads
• Most dispassionate
• Most distant
• Most frigid
• Most gelid
• Most polar
• Most reserved
• Most slick
• Most slick, in a way
• Most slippery
• Most slippery, on the road
• Most standoffish
• Most treacherous for driving
• Most unfeeling, as a stare
• Most unfriendly
• Superlatively aloof
• Superlatively frosted
• Superlatively slippery
• Worst for driving