som·​nam·​bu·​lism | \ säm-ˈnam-byə-ˌli-zəm \

Definition of somnambulism

1 : an abnormal condition of sleep in which motor acts (such as walking) are performed
2 : actions characteristic of somnambulism

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Other Words from somnambulism

somnambulist \ säm-​ˈnam-​byə-​list \ noun
somnambulistic \ (ˌ)säm-​ˌnam-​byə-​ˈli-​stik \ adjective
somnambulistically \ (ˌ)säm-​ˌnam-​byə-​ˈli-​sti-​k(ə-​)lē \ adverb

Examples of somnambulism in a Sentence

Recent Examples on the Web

The Trib was known as a writer’s paper, and while there Wolfe made forays beyond totemic somnambulism. Ben Yagoda, WSJ, "An Appreciation: Tom Wolfe," 18 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'somnambulism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of somnambulism

1797, in the meaning defined at sense 1

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Time Traveler for somnambulism

The first known use of somnambulism was in 1797

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som·​nam·​bu·​lism | \ säm-ˈnam-byə-ˌliz-əm \

Medical Definition of somnambulism

1 : an abnormal condition of sleep in which motor acts (as walking) are performed
2 : actions characteristic of somnambulism

Other Words from somnambulism

somnambulistic \ (ˌ)säm-​ˌnam-​byə-​ˈlis-​tik \ adjective

More from Merriam-Webster on somnambulism

Rhyming Dictionary: Words that rhyme with somnambulism Encyclopedia article about somnambulism

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to deny responsibility for

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