1. Very long lasting
   "the perdurable granite of the ancient Appalachian spine of the continent"
   - durable, indestructible, undestroyable

See also: imperishable, perdurability

• air-condition
• air-conditioned
• air-cool
• air-cooled
• air-dried
• air-dry
• air-filled
• air-intake
• air-raid shelter
• air-slake
• air-sleeve
• air-to-air
• air-to-air missile
• air-to-ground
• air-to-ground missile
• air-to-surface
• air-to-surface missile
• airborne
• airborne patrol
• airborne transmission
• airbrake
• airbrush
• airburst
• airbus
• aircraft