Related Clues:

• Not 38-Across
• 'Sounds good to me'
• Uncomfortably cool
• Like Peary's exploration
• Diametrically opposed
• Icy cold
• Not so hot?
• Collected
• Frozen over
• Weather word
• 'Fantastic!'
• Unflappable
• Nifty
• Ultra-aloof
• Extremely cold