perpetuity

Definitions

A state of lasting forever or for an indefinitely long time.

A bond or other security with no fixed maturity date.

The quality or condition of being perpetual.

Examples

The land was donated to the city to be preserved in perpetuity as a public park.

The contract grants the company the right to use the image in perpetuity.

He hoped that his legacy would endure in perpetuity through the foundation he established.

Synonyms

eternity everlastingness endlessness immortality infinitude permanence perpetualness

Antonyms

transience ephemerality brevity finitude impermanence mortality momentariness