hy·​per·​ven·​ti·​la·​tion | \ ˌhī-pər-ˌven-tə-ˈlā-shən How to pronounce hyperventilation (audio) \

Definition of hyperventilation

: excessive rate and depth of respiration leading to abnormal loss of carbon dioxide from the blood

Examples of hyperventilation in a Sentence

Recent Examples on the Web Still, much of the media hyperventilation that greeted the close result was unwarranted. Charlemagne | Strasbourg, The Economist, "Ursula von der Leyen is elected European Commission president," 16 July 2019 The Mutus had to stop several times on their way home to console Constantin, who bucked and wailed to the point of hyperventilation. Caitlin Dickerson, New York Times, "The Youngest Child Separated From His Family at the Border Was 4 Months Old," 16 June 2019 Even a 10% fall in the major indexes reliably increases the public blood pressure and induces media hyperventilation. William J. Bernstein, WSJ, "How to Think About Stocks and Bonds in a Bear Market," 1 Mar. 2019 To get relief, Marisa relies on a rescue inhaler and also uses the Butekyo method, which is a breathing technique that focuses on consciously reducing a person’s breathing rate to avoid hyperventilation. Korin Miller, SELF, "7 People Describe What an Asthma Attack Actually Feels Like," 14 Nov. 2018 But another honorable function is to disentangle it from rapacious marketplace hyperventilation, so that it can be clearly seen. Christopher Knight, latimes.com, "MOCA still mum about curator's firing, despite crucial questions and too few answers," 20 Mar. 2018 And Link, to her credit and with great help from the honest Zacharias, avoids the trap of hyperventilation or bathos, into which movies based on Tolstoy often sink. Chris Jones, chicagotribune.com, "It's Monday. It's Rogers Park. And thanks to the strength of Chicago theater, it's time for 'Anna Karenina'," 2 Mar. 2018 And stress originates in the brain, where chemicals cause blood pressure to go up, and can trigger hyperventilation, said Judith Kupersmith, a professor of clinical psychiatry at Georgetown University School of Medicine. Susan Svrluga, Washington Post, "Neurologists explain how Olympic athletes’ brains help them pull off those McTwists and triple Lutzes," 23 Feb. 2018 Airsickness, hyperventilation, hypocapnia and spatial disorientation, when pilots can’t tell up from down, share some similarities with hypoxia. Capt. Sig Christenson, San Antonio Express-News, "Air Force might learn from oxygen problem in Navy trainers," 25 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hyperventilation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of hyperventilation

1928, in the meaning defined above

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Time Traveler for hyperventilation

Time Traveler

The first known use of hyperventilation was in 1928

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Statistics for hyperventilation

Cite this Entry

“Hyperventilation.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/hyperventilation. Accessed 10 December 2019.

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More Definitions for hyperventilation


hy·​per·​ven·​ti·​la·​tion | \ -ˌvent-ᵊl-ˈā-shən How to pronounce hyperventilation (audio) \

Medical Definition of hyperventilation

: excessive ventilation specifically : excessive rate and depth of respiration leading to abnormal loss of carbon dioxide from the blood

called also overventilation

More from Merriam-Webster on hyperventilation

Rhyming Dictionary: Words that rhyme with hyperventilation

Britannica.com: Encyclopedia article about hyperventilation

Comments on hyperventilation

What made you want to look up hyperventilation? Please tell us where you read or heard it (including the quote, if possible).


to state or do over again or repeatedly

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