somnambulism: meaning, definition, pronunciation and examples
C2formal, medical, literary
Quick answer
What does “somnambulism” mean?
The condition of walking while asleep.
Audio
Pronunciation
Definition
Meaning and Definition
The condition of walking while asleep.
A state of performing complex activities during sleep; figuratively, a state of acting automatically or without conscious awareness.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Slightly more common in UK medical literature.
Connotations
Clinical and precise in both varieties.
Frequency
Low frequency in general discourse; higher in specialised contexts.
Grammar
How to Use “somnambulism” in a Sentence
Patient + suffer from + somnambulismSomnambulism + affect + patientVocabulary
Collocations
Examples
Examples of “somnambulism” in a Sentence
verb
British English
- The patient has been known to somnambulate since childhood.
American English
- He somnambulated right out the front door.
adverb
British English
- He moved somnambulistically towards the window.
American English
- She spoke somnambulistically, her eyes glazed over.
adjective
British English
- She was in a somnambulistic state, making tea without waking.
American English
- The somnambulistic episode was captured on a home camera.
Usage
Meaning in Context
Business
Rare. Metaphorical: 'The market moved with a kind of somnambulism, following trends without analysis.'
Academic
Common in psychology/medicine papers. 'The study examined neural correlates of somnambulism.'
Everyday
Very rare. Usually replaced by 'sleepwalking'.
Technical
Standard term in sleep medicine and psychiatry.
Vocabulary
Synonyms of “somnambulism”
Vocabulary
Antonyms of “somnambulism”
Watch out
Common Mistakes When Using “somnambulism”
- Misspelling: 'somnambulism' (correct) vs. 'somnambulism' (incorrect). Confusing with 'somnolence' (sleepiness).
FAQ
Frequently Asked Questions
Yes, 'somnambulism' is the formal, clinical term for sleepwalking.
Yes, it can describe people acting automatically, without conscious thought or awareness of their surroundings.
'Somnambulism' is formal/medical; 'sleepwalking' is the everyday term. Using 'somnambulism' in casual conversation can sound overly technical.
It can be, as individuals are unaware of their actions and may injure themselves or others. Medical consultation is advised for frequent episodes.
The condition of walking while asleep.
Somnambulism is usually formal, medical, literary in register.
Somnambulism: in British English it is pronounced /sɒmˈnæmbjʊlɪz(ə)m/, and in American English it is pronounced /sɑːmˈnæmbjʊlɪzəm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “a society of somnambulists (metaphorical for unthinking conformity)”
Learning
Memory Aids
Mnemonic
SOMN (sleep, as in 'insomnia') + AMBUL (walk, as in 'ambulance') + ISM (condition) = sleep-walking condition.
Conceptual Metaphor
UNCONSCIOUSNESS IS A SLEEPWALKING STATE (e.g., 'He went through the routine in a somnambulistic trance.')
Practice
Quiz
Which of the following is a direct synonym for 'somnambulism'?