Someone who has become a member of an organisation for the rest of their life.

(religion) Eternal life; life after death.

Something that a person wishes to achieve in his or her life; an ambition.

plural of life goal

Alternative form of life-or-death

(insurance) Relating to life insurance cover that is paid out only on the death of the insured. / Relating to the full life of an asset.

Those microorganisms that can live without sunlight.

plural of life lesson

a fundamental necessity

A major event in one's life, normally bringing about a substantial change.