View synonyms for

lifetime

[ lahyf-tahym ]

Phonetic (Standard)IPA

noun

the time that the life of someone or something continues; the term of a life:
peace within our lifetime.
Physics. mean life.

adjective

for the duration of a person's life:
He has a lifetime membership in the organization.

lifetime

/ ˈ��ɪ��ˌ�ٲ�ɪ�� /

noun

1. the length of time a person or animal is alive
2. ( as modifier )
  a lifetime supply
the length of time that something functions, is useful, etc
physics the average time of existence of an unstable or reactive entity, such as a nucleus, excited state, elementary particle, etc; mean life

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Word History and Origins

Origin of lifetime¹

First recorded in 1175–1225, lifetime is from the Middle English word liftime. See life, time

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Example Sentences

Examples have not been reviewed.

Perhaps your sister didn’t help herself during your mother’s lifetime, but arranged to be the beneficiary of all the accounts, either with or without your mother’s consent.

From

Pico Iyer — whose written 15 books translated into 23 languages — accepted the Robert Kirsch Award for lifetime achievement, which honors a writer with a substantial connection to the American West.

From

"We saw with Newcastle what seeing your team lift silverware can mean to supporters and sometimes it's a once in a lifetime type thing," he added.

From

They spend most of their lifetime living in trees — descending only to lay eggs.

From

During my professional lifetime I have managed to meet, report on and follow the lives of five of them.

From

Related Words

life-threatening life vest

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