verb (used without object), o·ver·slept, o·ver·sleep·ing.
to sleep beyond the proper or intended time of waking: He overslept and missed his train.
verb (used with object), o·ver·slept, o·ver·sleep·ing.
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
word dating back to 1350–1400;
see origin at over-
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for overslept
Historical Examples of overslept
She overslept and missed her first recitation yesterday morning.
All might have gone smoothly if only she had not overslept one morning in late September.
Mr. and Mrs. Haldeman-Julius
Well, the fact is, I overslept and decided to omit the breakfast.
Eddie was Pheeny's nurse that night and overslept in the morning.
A conscience that had overslept itself began to stir and waken.
British Dictionary definitions for overslept
verb -sleeps, -sleeping or -slept
(intr) 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
Word Origin and History for overslept
late 14c., from over- + sleep (v.). Related: Overslept; oversleeping. Old English had a noun oferslæp "too much sleep."
Online Etymology Dictionary, © 2010 Douglas Harper