(duration) For all time, for all eternity; for a lifetime; for an infinite amount of time. / (duration, colloquial, hyperbolic) For a very long time, a seeming eternity.

An extremely long time. / (colloquial) A mythical time in the infinite future that will never come.

Permanent, lasting; constant, perpetual.

plural of forever

The quality of being forever, of never coming to an end.

Alternative spelling of for ever and ever

For a very long or seemingly endless time.

(US) A postage stamp with no indicated monetary value and indefinitely valid for a given service, e.g. a domestic first-class letter under 20 grams.

forever, from this point onward

A permanent home found for a child or animal that is to be adopted.