Related Clues:

• Hazardous for driving
• Sleet-covered
• Slippery, as a road
• At a dead end, as a case
• Hardly convivial
• Siberian
• Absence of heat
• "If looks could kill" type of stare
• Like winter roads
• Needing salt, perhaps
• Emotionally distant
• Far from genial
• Not hot
• Like liquid nitrogen
• Far from friendly