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English definition of “oversleep”

oversleep

verb [I]     /ˌəʊ.vəˈsliːp/ US  /ˌoʊ.vɚ-/ (overslept, overslept)
to sleep for longer than you intended to and so wake up late: I missed the train this morning because I overslept again.Sleep and sleeping
(Definition of oversleep verb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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