lifetime
Americannoun
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the time that the life of someone or something continues; the term of a life.
peace within our lifetime.
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Physics. mean life.
adjective
noun
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the length of time a person or animal is alive
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( as modifier )
a lifetime supply
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the length of time that something functions, is useful, etc
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physics the average time of existence of an unstable or reactive entity, such as a nucleus, excited state, elementary particle, etc; mean life
Etymology
Origin of lifetime
First recorded in 1175–1225, lifetime is from the Middle English word liftime. See life, time
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“I go up to the Pixar Pier promenade stage, and I just go up to it and touch it. ... The beautiful thing about Disney is these creations are usually around for a lifetime.”
From Los Angeles Times
Yet Hamilton's reputation during his lifetime was built on work he completed much earlier.
From Science Daily
He describes himself as a "car idiot" who has spent a lifetime restoring classic cars.
From BBC
However, any attempt to reduce the amount graduates repay over their lifetime would ultimately come at a cost to taxpayers, according to recent analysis by independent economists at the Institute for Fiscal Studies.
From BBC
“Success is counted sweetest” was one of the few poems that was published during her lifetime, but only anonymously, and no one knows if she gave permission.
From Literature
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
