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English definition of “life”

life

noun     /laɪf/ (plural lives /laɪvz/)
[C ] the amount of time that something exists or works: the life of a mortgage/loan/investment He would reach retirement during the life of the mortgage.begin/start life The firm began life as a direct marketing company.
[C] the amount of time that something can be used: Increasing the battery life of the phone is important. If the maintenance continues at its current level, the useful life of the facility will be significantly shortened.
[C or U] the time that someone is alive, the things that happen to them, and the way they spend their time: The hit TV series was inspired by the life of the comedian Chris Rock. She says she was inspired to a life of public service by her father. Matt is someone who enjoys life to the full.
[C] the time that someone spends doing particular things: personal/private life This job doesn't leave much time for a personal life. I've met a lot of interesting people in my working life.
[ U] a way of living that is typical of a particular place or situation: city/country/town life I'm not somebody who longs for city life. corporate/civilian/military life daily/day-to-day/everyday life
→ See also depreciable life, economic life, expectation of life, job for life, non-life, shelf life
(Definition of life noun from the Cambridge Business English Dictionary © Cambridge University Press)
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