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

(religion) Eternal life; life after 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.

(Christianity, Judaism) The book in which God is said to record the name of every person who is destined for heaven or the world to come.

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

plural of life goal

Those microorganisms that can live without sunlight.

a fundamental necessity

plural of life lesson

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