somnambulation

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noun

The phenomenon of sleepwalking.

“He broke his arm on one of his many somnambulations.”

Scrabble 20

Meanings

nounsomnambulation (countable and uncountable, plural somnambulations)

plural somnambulations

  1. countablerareuncountableThe phenomenon of sleepwalking.

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

  2. countablerareuncountableAn instance of sleepwalking.

    He broke his arm on one of his many somnambulations.

Synonyms & antonyms

nounwalking by a person who is asleep

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinsomnus“sleep”
  2. Englishsomnambulation

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

Full word history & related roots →
Cite this entry
APA

somnambulation. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/somnambulation

MLA

“somnambulation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/somnambulation. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “somnambulation,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/somnambulation.

Source: somnambulation on Wiktionary, CC BY-SA 4.0.