Related Clues:

• Piercing
• Bitter, say
• Cooler than cool
• Wintry
• Bone-chilling
• Winter street, often
• Frost-covered
• Unfriendly
• Far from cordial
• More than cool
• Like winter sidewalks
• Hard-hearted
• Like an unfriendly stare
• Heartless
• Stand-offish