Simple Definition of oversleep
: to sleep past the time when you planned to get up
Full Definition of oversleep
: to sleep beyond the time for waking
: to allow (oneself) to oversleep
Examples of oversleep in a sentence
Be sure to set your alarm clock so that you don't oversleep.
First Known Use of oversleep
OVERSLEEP Defined for Kids
Definition of oversleep for Students
: to sleep beyond the usual time or beyond the time set for getting up
Seen and Heard
What made you want to look up oversleep? Please tell us where you read or heard it (including the quote, if possible).