(US) A buoyant ring or vest intended to keep a person afloat. / (dated, UK) A short club with a weighted end.

(Britain, Ireland) A reusable shopping bag.

(transitive) To terminate the sale of or support for (a product or service).

Termination of the sale of or support for goods and services. / (medicine, attributive) Medical care options for patients who are considered critically ill.

an article of protective clothing that is designed to keep the wearer's head floating above the surface of the water.

(physics) The time required for half the nuclei in a sample of a specific isotope to undergo radioactive decay.

The length of time a product (especially food and drugs) will last without deteriorating or without being sold.

That is the way things happen / Certain things cannot be changed, helped or improved; struggle and objection are pointless.

Alternative spelling of lifespan.

(of a person) The amount of time one is expected to live. / (figuratively, by extension, of an idea or an object) The amount of time something is expected to last.