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[oh-ver-sleep] /ˌoʊ vərˈslip/
verb (used without object), overslept, oversleeping.
to sleep beyond the proper or intended time of waking:
He overslept and missed his train.
verb (used with object), overslept, oversleeping.
to sleep beyond (a certain hour):
She had overslept her usual time of arising.
to let (oneself) sleep past the hour of arising:
Of all mornings to oversleep myself!
Origin of oversleep
Middle English word dating back to 1350-1400; See origin at over-, sleep Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for oversleep
Historical Examples
  • Clemens was not in the best humor because I had allowed him to oversleep.

  • What if I should oversleep and not get to breakfast, or to work, on time!

    Ted and the Telephone Sara Ware Bassett
  • But if I oversleep myself and am not on the look-out for you when you come, what will you do?

    The Beth Book

    Sarah Grand
  • As you may imagine, little Nabul did not oversleep the next morning.

  • Am I not to have an atom of breakfast, because I just happened to oversleep myself?

    Springhaven R. D. Blackmore
  • Why did I leave my mail until this morning and then oversleep!

    The Mountain Girl Payne Erskine
  • From excessive fatigue you may oversleep and wake thoroughly chilled.

    Canadian Wilds Martin Hunter
  • On these occasions Srine stayed up to see that he did not oversleep himself.

    Ditte: Girl Alive! Martin Andersen Nexo
  • Poor Junie would have to oversleep herself on Sunday, that was all.

    The Glimpses of the Moon Edith Wharton
  • I heartily hoped they might all oversleep themselves that morning.

British Dictionary definitions for oversleep


verb -sleeps, -sleeping, -slept
(intransitive) to sleep beyond the intended time for getting up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for oversleep

late 14c., from over- + sleep (v.). Related: Overslept; oversleeping. Old English had a noun oferslæp "too much sleep."

Online Etymology Dictionary, © 2010 Douglas Harper
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