Related Clues:

• ''Relax, troops!''
• Not up to anything
• Without basis
• Unflappable
• Unhurried
• Sitting on one's hands
• Keep the car warm
• Laid-back
• 'Relax, soldier!'
• Out of work
• Wait curbside, often
• See 61-Across
• Laid off
• Unused
• Between assignments