• synonyms


[som-nam-byuh-leyt, suh m-]
verb (used without object), som·nam·bu·lat·ed, som·nam·bu·lat·ing.
  1. to walk during sleep; sleepwalk.
Show More

Origin of somnambulate

1825–35; < Latin somn(us) sleep + ambulate
Related formssom·nam·bu·lant, adjective, nounsom·nam·bu·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for somnambulant

Historical Examples of somnambulant

  • So pungently vital to somnambulant mankind at that epoch; to us fallen dead as carrion, and unendurable to think of.

    History of Friedrich II. of Prussia, Vol. XIII. (of XXI.)

    Thomas Carlyle

British Dictionary definitions for somnambulant


  1. (intr) to walk while asleep
Show More
Derived Formssomnambulance, nounsomnambulant, adjective, nounsomnambulation, nounsomnambulator, noun

Word Origin for somnambulate

C19: from Latin somnus sleep + ambulāre to walk
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 somnambulant

1819 (n.); 1832 (adj.); see somnambulism + -ant.

Show More



1821, probably a back-formation from somnambulism. Related: Somnambulated; somnambulating.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper