[ sluhm-ber ]
/ ˈslʌm bər /

verb (used without object)

to sleep, especially lightly; doze; drowse.
to be in a state of inactivity, negligence, quiescence, or calm: Vesuvius is slumbering.

verb (used with object)

to spend or pass (time) in slumbering (often followed by away, out, or through): to slumber the afternoon away.
to dispel or forget by slumbering (often followed by away): to slumber cares away.


Origin of slumber

1175–1225; (v.) Middle English slumeren, frequentative of slumen to doze, derivative of Old English slūma sleep (see -er6); compare German schlummern; (noun) Middle English slomur, slomber, derivative of the v.


slum·ber·er, nounslum·ber·less, adjectiveun·slum·ber·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for slumber

British Dictionary definitions for slumber

/ (ˈslʌmbə) /


(intr) to sleep, esp peacefully
(intr) to be quiescent or dormant
(tr foll by away) to spend (time) sleeping


(sometimes plural) sleep
a dormant or quiescent state

Derived forms of slumber

slumberer, nounslumberless, adjective

Word Origin for slumber

Old English slūma sleep (n); related to Middle High German slummeren, Dutch sluimeren
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