plural of forever

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

(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.

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.

(Internet slang) Someone who wishes to be in a romantic relationship but has no hope of succeeding.

(journalism, environmentalism) Synonym of PFAS (“per- and poly- fluoroalkyl substance”)

plural of forever chemical