asphyxia

noun

as·​phyx·​ia as-ˈfik-sē-ə How to pronounce asphyxia (audio)
əs-
1
: a lack of oxygen or excess of carbon dioxide in the body that results in unconsciousness and often death and is usually caused by interruption of breathing or inadequate oxygen supply
2
: the state of being stifled or suppressed
As a patient in hospital I felt both anguish and asphyxia—the anguish of being confronted with dissolution, and asphyxia because I could not be heard.Oliver Sacks

Examples of asphyxia in a Sentence

The cause of death was asphyxia.
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 Kansas Bureau of Investigation said in a statement Friday that a medical examiner ruled Adair’s death had been caused by mechanical asphyxia, or when an object or physical force stops someone from breathing. Kendrick Calfee, Kansas City Star, 11 Sep. 2025 The coroner listed her cause of death as asphyxia. Sally Krutzig, Idaho Statesman, 3 Sep. 2025 The child was unable to rescue himself and died from strangulation and asphyxia. Chad Murphy, The Enquirer, 5 Aug. 2025 Warner died of asphyxia on July 20 after being caught by a high current while swimming in Costa Rica. Tomás Mier, Rolling Stone, 28 July 2025 See All Example Sentences for asphyxia

Word History

Etymology

New Latin, from Greek, stopping of the pulse, from a- + sphyzein to throb

First Known Use

1778, in the meaning defined at sense 1

Time Traveler
The first known use of asphyxia was in 1778

Browse Nearby Words

Cite this Entry

“Asphyxia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/asphyxia. Accessed 20 Sep. 2025.

Kids Definition

asphyxia

noun
as·​phyx·​ia as-ˈfik-sē-ə How to pronounce asphyxia (audio)
: a lack of oxygen or excess of carbon dioxide in the body usually caused by interruption of breathing or insufficient oxygen supply and resulting in unconsciousness and often death

Medical Definition

asphyxia

noun
as·​phyx·​ia as-ˈfik-sē-ə, əs- How to pronounce asphyxia (audio)
: a lack of oxygen or excess of carbon dioxide in the body that is usually caused by interruption of breathing and that causes unconsciousness compare suffocation
asphyxial adjective

More from Merriam-Webster on asphyxia

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