Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “somnambulism”


noun [U] uk   /sɒmˈnæm.bjʊ.lɪ.zəm/ us    /sɑːm-/ specialized
a situation in which a person walks around while they are sleeping
Sleep and sleepingWalking and walkers
noun [C] uk   /-lɪst/ us  
(Definition of somnambulism from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of somnambulism?
Browse related topics

You are looking at an entry to do with Walking and walkers, but you might be interested in these topics from the Moving on foot topic area:

Add Cambridge dictionaries to your browser to your website

Translations of “somnambulism”

Word of the Day


an alcoholic drink made from apples

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More