Of critical importance to the survival of a living organism. / Having death as a possible or even likely outcome; perilous. / Of critical importance to the success of a particular endeavor.

(euphemistic) Death.

(simile) Life is full of surprises; you never know what will happen next.

plural of life sentence

An inflatable cot for babies for use in an emergency such as evacuation from an aeroplane onto water.

Alternative form of lifelore

Alternative form of lifelore

present participle of lift a finger

(euphemistic) To die, especially to be killed during involvement in an activity or in some other undertaking.

The general well-being of something or someone.