Pathology. a deep, unnatural sleep; lethargy.
Often sopors. Slang. methaqualone.

Origin of sopor

1650–60; 1970–75 for def 2; < Latin Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sopor

Historical Examples of sopor

  • The convex presupposes the concave; and vam is related to vap (as somnus is related to hpnos, to svapnas, and to sopor).

British Dictionary definitions for sopor



an abnormally deep sleep; stupor

Word Origin for sopor

C17: from Latin: a deep sleep, death; related to somnus sleep
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 sopor

Latin, "deep sleep, lethargy," from PIE *swep-os-, suffixed form of root *swep- (1) "to sleep" (see Somnus).

Online Etymology Dictionary, © 2010 Douglas Harper

sopor in Medicine


[sōpər, -pôr′]


A deep, lethargic, or unnatural sleep.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.