somnambulism

noun 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

somnambulist

play \säm-ˈnam-byə-list\ noun

somnambulistic

play \(ˌ)säm-ˌnam-byə-ˈli-stik\ adjective

somnambulistically

play \(ˌ)säm-ˌnam-byə-ˈli-sti-k(ə-)lē\ adverb

First Known Use of somnambulism

1797


Medical Dictionary

somnambulism

noun 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

somnambulistic

play \(ˌ)säm-ˌnam-byə-ˈlis-tik\ adjective

Learn More about somnambulism


Seen and Heard

What made you want to look up somnambulism? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

ditzy

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!