To fail or flop; to lose popularity.

Without specifying a date (for a future event); indefinitely.

(idiomatic) To become extinct. / (idiomatic) To cease gradually.

(intransitive, idiomatic) To become less virulent or strong; to subside.

(idiomatic) Requiring a determined or desperate effort to avoid the consequences of failure.

(idiomatic) Conclusive action has been taken, so events will proceed in an irreversible manner; the point of no return has been passed; the future is determined; there are no more options.

The moral principle that a human being is entitled to end his/her own life or to undergo voluntary euthanasia.

(of a plant) To wither, particularly during the winter.

(numismatics) Any of the (usually metal) stamps used in pairs during hammered coining to strike impressions of designs onto their obverse and reverse faces.

(simile) Completely or totally straight.