Possible Clues:

• "Relax, soldiers!"
• Thus might you have over one foot of gin while the sun is out
• Command to relax, as from an officer
• By the sound of it, a meal's relaxed
• A person taking the mickey without anxiety
• "Relax"
• A twit is relaxed
• Not anxious
• Past tense?
• Army command to relax, stand with feet apart