Related Clues:

• One in nursing profession lacks energy
• Breathe without sound
• Lose validity
• Attendant about to get into vehicle
• Release tension, possibly
• Sigh, for instance
• Let out some air
• Expel air from the lungs
• One tending an invalid
• Professional life, English disregarded, for a vocational role
• Nurse or guardian
• Emit air
• End; die
• Respond to the killer leaving the room you're in, say
• You can't say one doesn't mind anyone getting about in private transport