1. Not fit to fly

See also: airworthiness

Antonym: airworthy

• forager
• foraging
• foram
• foramen
• foramen magnum
• foramen of Monro
• foraminifer
• Foraminifera
• foraminous
• forasmuch as
• foray
• foray into
• forayer
• forbear
• forbearance
• forbearing
• forbid
• forbiddance
• forbidden
• Forbidden City
• forbidden fruit
• forbidding
• forbiddingly
• force
• Force 17