sedation

noun

se·​da·​tion si-ˈdā-shən How to pronounce sedation (audio)
1
: the inducing of a relaxed easy state especially by the use of sedatives
2
: a state resulting from or as if from sedation

Examples of sedation in a Sentence

For some patients, sedation may be necessary.
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 mother posted on social media June 13 that Leah could move all of her fingers, noting that doctors determined that Leah did not need sedation to recover. James Powel, USA Today, 15 June 2025 Other details: Flexible sigmoidoscopy often uses lighter sedation or none at all. Adaira Landry, Forbes.com, 13 June 2025 Peach, a black cat, can be seen sitting near her sibling—a Siamese rescue cat—who is clearly in a vulnerable state after recently waking up from sedation. Newsweek Staff, MSNBC Newsweek, 4 Apr. 2025 The drug, which is commonly used as a tranquilizer for large animals in veterinary medicine, causes extreme sedation, slow breathing and skin ulcers when ingested by humans. Molly Gibbs, Sacbee.com, 2 July 2025 See All Example Sentences for sedation

Word History

First Known Use

1543, in the meaning defined at sense 1

Time Traveler
The first known use of sedation was in 1543

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Cite this Entry

“Sedation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sedation. Accessed 20 Jul. 2025.

Medical Definition

sedation

noun
se·​da·​tion si-ˈdā-shən How to pronounce sedation (audio)
1
: the inducing of a relaxed easy state especially by the use of sedatives
2
: a state resulting from sedation see conscious sedation, deep sedation

More from Merriam-Webster on sedation

Last Updated: - Updated example sentences
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