Related Clues:

• Like winter roads
• Needing salt, perhaps
• Emotionally distant
• Far from genial
• Far from friendly
• Hardly welcoming
• Not merely aloof
• Ringed with rime
• Rock's __ Dan
• Noticeably unfriendly
• Covered in frost
• Not offering traction, in a way
• Very unfriendly
• Very standoffish
• Extremely hostile, as a glare