Related Clues:

• Senseless?
• More than cool
• Unmoved
• Like winter sidewalks
• Pitiless
• Hard-hearted
• Like an unfriendly stare
• Unexcitable
• Stiff-upper-lip sort
• Hardly the screaming type
• Taken for granite?
• Heartless
• Deprived of sensation
• Unemo-tional
• Stand-offish