1. Without any clothing at all

See also: unclothed

• airbus
• aircraft
• aircraft carrier
• aircraft engine
• aircraft landing
• aircraftman
• aircraftsman
• aircrew
• aircrewman
• airdock
• airdrome
• airdrop
• Aire
• Aire River
• aired
• Airedale
• Airedale terrier
• airer
• airfare
• airfield
• airflow
• airfoil
• airforce
• airframe
• airfreight