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sleepwalker

noun

sleepwalker is spelled S-L-E-E-P-W-A-L-K-E-R: 11 letters and 3 syllables. It appears about once in every 7 million words in written English, the 76,798th most frequent word form (wordfreq, 2021 data). As a noun, sleepwalker means “A somnambulist; one who walks, or is active, while asleep” (English Wiktionary, September 2026). The plural of sleepwalker is sleepwalkers.

How many letters and syllables are in sleepwalker?

Letters11: S-L-E-E-P-W-A-L-K-E-R
Syllables3 (from its American pronunciation)
In writingabout once in every 7 million words; the 76,798th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is sleepwalker?

Sleepwalker appears about once in every 7 million words in written English, the 76,798th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce sleepwalker?

  • UK
  • US

Sleepwalker has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Pink_Bee-sleepwalker.wav, LL-Q1860_(eng)-Flame,_not_lame-sleepwalker.wav, Wikimedia Commons (author and licence on each file's page).

Words people confuse with sleepwalker

Also written: sleep-walker (one word or two).

Sources: English Wiktionary (homophones, alternative spellings).

Forms of sleepwalker

  • sleepwalkers plural
  • sleep-walker

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does sleepwalker mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    A somnambulist; one who walks, or is active, while asleep.

  2. 2

    archaicOne in a state of magnetic or mesmeric sleep; someone in a hypnotic trance.

  3. 3

    A person from whom a voodoo practitioner (a bocor) has taken over control of their mind, making them a zombie who must do the bocor's bidding.

  4. 4

    One who goes though life in a state of obliviousness.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does sleepwalker come from?

From sleep + walker or sleepwalk + -er.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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