Related Clues:

• Feeling no stress
• Cool as a cucumber
• Exhibiting equanimity
• Drilling order
• Chillin'
• Boot-camp command
• "Relax, soldiers!"
• "Ten-hut!" undoer
• "Ten-hut!" reversal
• Drill instructor's order
• "Relax, and that's an order!"
• Smooth, as seas
• Like Type B personalities
• Anxiety-free
• "Relax"