hypnosis

noun

hyp·​no·​sis hip-ˈnō-səs How to pronounce hypnosis (audio)
plural hypnoses hip-ˈnō-ˌsēz How to pronounce hypnosis (audio)
1
: a trancelike state that resembles sleep but is induced by a person whose suggestions are readily accepted by the subject
2
: any of various conditions that resemble sleep
3

Examples of hypnosis in a Sentence

He underwent hypnosis to treat his fear of water. While under hypnosis, she described the horrific accident in detail.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The expert emphasized, however, that hypnosis is not a standalone cure for problem drinking. Shiv Sudhakar, FOXNews.com, 10 July 2025 By the time the film is careening toward climax, highway hypnosis has set in. Katie Walsh, Boston Herald, 26 June 2025 Audiences had to liberate a cadre of musicians from hypnosis and do so by concocting scenarios in which the club’s proprietor was continually forced to leave the room. Todd Martens, Los Angeles Times, 6 May 2025 Bilingual and results-driven, the RESET Method blends neuroscience, therapeutic hypnosis, and personal development into a practical path to inner freedom. Connie Etemadi, USA Today, 28 May 2025 See All Example Sentences for hypnosis

Word History

Etymology

New Latin

First Known Use

1876, in the meaning defined at sense 1

Time Traveler
The first known use of hypnosis was in 1876

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Cite this Entry

“Hypnosis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypnosis. Accessed 16 Jul. 2025.

Kids Definition

hypnosis

noun
hyp·​no·​sis hip-ˈnō-səs How to pronounce hypnosis (audio)
plural hypnoses -ˈnō-ˌsēz How to pronounce hypnosis (audio)
: a trancelike state resembling sleep that is caused in a person by another whose suggestions are readily accepted and acted upon by the person in this state
Etymology

scientific Latin hypnosis "hypnosis," derived from Greek hypnos "sleep," from Hypnos "the Greek god of sleep"

Medical Definition

hypnosis

noun
hyp·​no·​sis hip-ˈnō-səs How to pronounce hypnosis (audio)
plural hypnoses -ˌsēz How to pronounce hypnosis (audio)
1
: a trancelike state of altered consciousness that resembles sleep but is induced by a person whose suggestions are readily accepted by the subject
2
: any of various conditions that resemble sleep
3

More from Merriam-Webster on hypnosis

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