1. Designating an airship having a shape maintained only by internal gas pressure and without a supporting structure

Antonym: rigid

• fleapit
• fleawort
• flecainide
• fleck
• flecked
• flection
• fledge
• fledged
• fledgeless
• fledgeling
• fledgling
• flee
• fleece
• fleeceable
• fleecer
• fleecy
• fleer
• fleet
• fleet admiral
• fleet ballistic missile submarine
• Fleet Street
• fleeting
• fleetingly
• fleetingness
• fleetly