[som-nam-byuh-leyt, suh m-]
verb (used without object), som·nam·bu·lat·ed, som·nam·bu·lat·ing.
to walk during sleep; sleepwalk.
Origin of somnambulate
1825–35; < Latin somn(us) sleep + ambulate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
(intr) to walk while asleep
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
1821, probably a back-formation from somnambulism. Related: Somnambulated; somnambulating.
Online Etymology Dictionary, © 2010 Douglas Harper