eternity

(noun)

noun

1. time without end

Similar word(s): infinity

Definition categories: time

2. a state of eternal existence believed in some religions to characterize the afterlife

Similar word(s): timelessness

Definition categories: state, being, beingness, existence

3. a seemingly endless time interval (waiting)

Definition categories: time, interval

Sentences with eternity as a noun:

- It's been an eternity since we last saw each other.