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hypnosis

nounattested in dialogue

  • United States//hɪpˈnəʊ.sɪs//
  • United States//hɪpˈnoʊ.sɪs//

A trancelike state, artificially induced, in which a person has a heightened suggestibility, and in which suppressed memories may be experienced.

noun

  1. 1

    A trancelike state, artificially induced, in which a person has a heightened suggestibility, and in which suppressed memories may be experienced.

    clinical hypnosis

    under hypnosis

    self-hypnosis

    She entered a state of deep hypnosis.

  2. 2

    The practice of inducing hypnosis; hypnotism.

  3. 3

    Any of various sleep-like conditions.

Etymology

Etymology tree Proto-Indo-European *swep-der. Proto-Indo-European *supnós Proto-Hellenic *húpnos Ancient Greek ὕπνος (húpnos) Proto-Indo-European *-yéti Proto-Indo-European *-oyétider.? Ancient Greek -όω (-óō) Ancient Greek ὑπνόω (hupnóō) Proto-Indo-European *-tis Proto-Hellenic *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek ὕπνωσις (húpnōsis)lbor. English hypnosis From modern scholarly Ancient Greek ὕπνωσις (húpnōsis), which formation closes the derivational gap between the ancient words ὑπνόω (hupnóō, “I put to sleep”) and ὑπνωτικός (hupnōtikós, “sleep-inducing, soporific”). Ultimately traces back to ὕπνος (húpnos, “sleep”).

Forms

plural
hypnoses
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).