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Meaning of “lifetime” in the English Dictionary

"lifetime" in British English

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lifetimenoun [C usually singular]

uk   /ˈlaɪf.taɪm/  us   /ˈlaɪf.taɪm/
B2 the ​period of ​time during which someone ​lives or something ​exists: We'll ​see a ​tremendous lot of ​technologicalchanges during/inour lifetime. Winners of the ​competition will ​receive the ​holiday of a lifetime (= the ​bestholiday they will ​ever have). I've only been ​working here two ​days, but it ​seems like a lifetime. A ​watch of this ​quality should last a lifetime. Enter ​ourcompetition and this once-in-a-lifetime ​experience could be yours! Marriage is no ​longer always ​seen as a lifetime ​commitment. You could ​win a lifetime's ​supply of ​toothpaste.

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(Definition of lifetime from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"lifetime" in American English

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lifetimenoun [U]

 us   /ˈlɑɪfˌtɑɪm/
the ​period of ​time during which someone ​lives or something ​exists: The ​watch is high ​quality and should last a lifetime.
(Definition of lifetime from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “lifetime”
in Arabic مَدى الحَياة…
in Korean 수명…
in Portuguese existência, vida…
in Catalan vida…
in Japanese 一生…
in Chinese (Simplified) 有生之年,终生,一辈子…
in Turkish ömür, hayat…
in Russian целая жизнь…
in Chinese (Traditional) 有生之年,終生,一輩子…
in Italian durata della vita, vita…
in Polish życie…
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