Related Clues:

• __ as a cucumber
• Detachment
• Like The Hollies' ''Woman''
• Like a cucumber?
• Showing no enthusiasm
• Snazzy
• Air-conditioned
• Lose enthusiasm
• "Works for me!"
• ''That's great!''
• In the 50s or 60s, say
• 'Very nice!'
• On an even keel
• Warmer than chilly
• Calm under pressure