eternity
Definitions
Infinite or unending time.
A state of existence outside of time, often associated with the afterlife.
A seemingly endless or very long period of time.
Examples
They promised to love each other for all eternity.
Waiting for the results of the medical tests felt like an eternity.
The vastness of the ocean gives one a sense of eternity.
Synonyms
infinity perpetuity everlastingness immortality endlessness aeon timelessness
Antonyms
brevity transience ephemerality moment finiteness impermanence fleetingness