[ hip-nuh-goj-ik, -goh-jik ]
/ ˌhɪp nəˈgɒdʒ ɪk, -ˈgoʊ dʒɪk /


of or relating to drowsiness.
inducing drowsiness.

Nearby words

  1. hyphenic,
  2. hyphenize,
  3. hyphidrosis,
  4. hyphopodium,
  5. hyphy,
  6. hypnagogic image,
  7. hypnagogic state,
  8. hypnagogue,
  9. hypnapagogic,
  10. hypnesthesia

Origin of hypnagogic

1885–90; < French hypnagogique; see hypn(o)-, -agogue, -ic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hypnagogic

British Dictionary definitions for hypnagogic



/ (ˌhɪpnəˈɡɒdʒɪk) /


psychol of or relating to the state just before one is fully asleepSee also hypnagogic image, hypnopompic

Word Origin for hypnagogic

C19: from French hypnagogique; see hypno-, -agogic

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 hypnagogic



1868, from French hypnagogique, from Greek hypnos "sleep" (see somnolence) + agogos "leading" (see act). Etymologically, "inducing sleep," but used mostly with a sense "pertaining to the state of consciousness when falling asleep."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for hypnagogic



Inducing sleep; soporific.
Of or relating to the state of drowsiness preceding sleep.
Relating to the images or hallucinations sometimes perceived during this state.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.