noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The phenomenon of sleepwalking. countable, rare, uncountable

   "He is known for his somnambulation, as well as his vivid sleep-talking."

2. 2
   walking by a person who is asleep wordnet
3. 3
   An instance of sleepwalking. countable, rare, uncountable

   "He broke his arm on one of his many somnambulations."

Synonyms

All synonyms

noctambulationnoctambulismsleepwalkingsleepwalkingsomnambulism

Example

More examples

"He is known for his somnambulation, as well as his vivid sleep-talking."

Etymology

From Latin somnus (“sleep”) + ambulatio (“a walking about”), from ambulare (“to walk”). See somnolent, amble.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.