Related Clues:

• More slippery, probably
• Far less cordial
• More hostile
• Relatively remote
• Less chummy
• More likely to cause slipping
• Not as sweet
• Apter for polar bears
• Not so welcoming
• More slippery, in a way
• Slicker, in a way
• Far less friendly
• More chilly
• More hazardous, in winter
• Colder even than 31 Across