Related Clues:

• Word before gun or guitar
• Swift's medium
• ___ pressure
• It's thinner as you go up
• RAF part
• Stuffiness remedy
• Classical element
• Pressure to avoid item in broadcast
• Outer space's lack
• __ bubble
• Breathe it in
• Underinflated tire's need
• Expose to public view
• Requirement for a useful balloon
• __ conditioner