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⇱ sleepwalking - WordReference.com Dictionary of English


sleepwalking

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈsliːpˌwɔːkɪŋ/US:USA pronunciation: IPA and respellingUSA pronunciation: IPA/ˈslipˌwɔkɪŋ/ ,USA pronunciation: respelling(slēpwô′king)


WordReference Random House Learner's Dictionary of American English © 2026
sleep•walk•ing /ˈslipˌwɔkɪŋ/USA pronunciation   n. [uncountable]
  1. Pathologythe act of walking while asleep;
    somnambulism.
sleep•walk, v. [no object]
sleep•walk•er, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2026
sleep•walk•ing  (slēpwô′king),USA pronunciation n. 
  1. Physiologythe act or state of walking, eating, or performing other motor acts while asleep, of which one is unaware upon awakening;
    somnambulism.

adj. 
  1. Physiologyof or pertaining to the state of walking while asleep;
    somnambulistic.
  • sleep + walking 1790–1800
sleepwalk′er, n. 

WordReference Random House Unabridged Dictionary of American English © 2026
sleep•walk  (slēpwôk′),USA pronunciation v.i. 
  1. Physiologyto engage in sleepwalking.

n. 
  1. Physiologyan act of sleepwalking;
    somnambulation.
  • back formation from sleepwalking 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
sleepwalk /ˈsliːpˌwɔːk/ vb (intransitive)
  1. to walk while asleep
    See also somnambulism
  2. (often followed by into or through) informal to act or proceed without thinking about what one is doing
ˈsleepˌwalker n ˈsleepˌwalking n , adj
'sleepwalking' also found in these entries (note: many are not synonyms or translations):
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