1. The property of being perpetual (seemingly ceaseless)
   - perpetuity

Derived forms: sempiternities

Type of: permanence, permanency

Encyclopedia: Sempiternity

• duck-billed dinosaur
• duck-billed platypus
• duckbill
• duckboard
• duckie
• ducking
• ducking stool
• duckling
• duckpin
• duckpins
• ducks and drakes
• duckweed
• duckweed family
• ducky
• duct
• duct gland
• duct tape
• ductile
• ductileness
• ductility
• ducting
• ductless
• ductless gland
• ductule
• ductulus