Lifetime Definition

līftīm
noun
The period of time that someone lives, or that something lasts, functions, or is in effect.
Webster's New World
A very long time.
Made to last a lifetime.
Webster's New World
adjective
Continuing for a lifetime; lifelong.
American Heritage
Lasting for such a period.
A lifetime job.
Webster's New World
Occurring or measured over a person's active career.
A lifetime batting average.
American Heritage

Other Word Forms of Lifetime

Noun

Singular:
lifetime
Plural:
lifetimes

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