exhaust

verb
ex·​haust | \ ig-ˈzȯst How to pronounce exhaust (audio) \
exhausted; exhausting; exhausts

Definition of exhaust

 (Entry 1 of 2)

transitive verb

1a : to consume entirely : use up exhausted our funds in a week
b : to tire extremely or completely exhausted by overwork
c : to deprive of a valuable quality or constituent exhaust a soil of fertility
2a : to draw off or let out completely
b : to empty by drawing off the contents specifically : to create a vacuum in
3a : to consider or discuss (a subject) thoroughly or completely
b : to try out the whole number of exhausted all the possibilities

intransitive verb

: discharge, empty the engine exhausts through the muffler

exhaust

noun

Definition of exhaust (Entry 2 of 2)

1a : the escape of used gas or vapor from an engine
b : the gas or vapor thus escaping
2a : the conduit through which used gases escape
b : an arrangement for removing fumes, dusts, or odors from an enclosure

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Other Words from exhaust

Verb

exhauster noun
exhaustibility \ ig-​ˌzȯ-​stə-​ˈbi-​lə-​tē How to pronounce exhaustibility (audio) \ noun
exhaustible \ ig-​ˈzȯ-​stə-​bəl How to pronounce exhaustible (audio) \ adjective

Choose the Right Synonym for exhaust

Verb

deplete, drain, exhaust, impoverish, bankrupt mean to deprive of something essential to existence or potency. deplete implies a reduction in number or quantity so as to endanger the ability to function. depleting our natural resources drain implies a gradual withdrawal and ultimate deprivation of what is necessary to an existence. personal tragedy had drained him of all spirit exhaust stresses a complete emptying. her lecture exhausted the subject impoverish suggests a deprivation of something essential to richness or productiveness. impoverished soil bankrupt suggests impoverishment to the point of imminent collapse. war had bankrupted the nation of resources

tire, weary, fatigue, exhaust, jade mean to make or become unable or unwilling to continue. tire implies a draining of one's strength or patience. the long ride tired us out weary stresses tiring until one is unable to endure more of the same thing. wearied of the constant arguing fatigue suggests great lassitude from excessive strain or undue effort. fatigued by the day's chores exhaust implies complete draining of strength by hard exertion. shoveling snow exhausted him jade suggests the loss of all freshness and eagerness. appetites jaded by overindulgence

Examples of exhaust in a Sentence

Verb

If they keep spending this way, they'll exhaust their savings. He can talk about baseball for hours and still feel that he hasn't exhausted the subject .

Noun

diesel exhaust from passing trucks There's a problem with the car's exhaust.
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Recent Examples on the Web: Verb

But a bullpen that was exhausted after logging 7 1/3 innings one night earlier ably passed the baton for seven more innings of a 3-2 victory over the Washington Nationals. Scott Lauber, Philly.com, "Phillies pull out gutsy victory over Nationals to mark midpoint of the season," 30 June 2018 Germany was exhausted both economically and militarily after four years of war. Kyle Mizokami, Popular Mechanics, "The First Tank-on-Tank Battle Happened 100 Years Ago," 26 Apr. 2018 After five days of the intense day-and-night party that takes over Brazil during Carnival, drag queen Pabllo Vittar is exhausted. Muri Assunção, Billboard, "Inside Brazil's Drag Revolution: How New Queens Are Changing A Homophobic Culture," 2 Mar. 2018 In the weeks after the shooting, Reed remembers walking into her home, past her husband and two kids, to sit on the bed and stare out the window, exhausted after a day of trying to teach and balance the emotional needs of herself and her students. Trevor Hughes, USA TODAY, "'You're not in this alone': What Columbine survivors want Parkland students to know," 26 Feb. 2018 The routine became not only exhausting, but anxiety-producing. Melissa Kravitz, Glamour, "What I Never Expected About Shopping for a Wedding Dress As a Gay Woman," 2 Apr. 2019 The instability essentially exhausts the plasma onto the wall, ablating it away. Chris Lee, Ars Technica, "A third dimension helps Tokamak fusion reactor avoid wall-destroying instability," 13 Sep. 2018 The missiles need to breach the Abrams’ active protection systems, exhausting its supply of metal interceptors, then score a direct hit against the hull. Kyle Mizokami, Popular Mechanics, "Russia Claims New Missile Can Clobber U.S. Tanks, But Can It Really?," 11 Sep. 2018 My quest for good mental and physical health left me exhausted, overwhelmed, and in a financial deficit. Tasnim Ahmed, Allure, "I Bought Into the Commercialized Wellness Industry and It Left Me Broke (and Unwell)," 9 Aug. 2018

Recent Examples on the Web: Noun

This occurred when exhaust plumes from the Falcon 9 rocket's second stage depleted plasma levels across a 900-km wide area, which the scientists say probably caused about a 1-meter error in GPS navigation programs. Eric Berger, Ars Technica, "SpaceX launch last year punched huge, temporary hole in the ionosphere," 22 Mar. 2018 To The Stars also said that there was no exhaust plume from the object, which would be visible on conventional aircraft filmed in the manner seen in the video. Joe Marusak, charlotteobserver, "Seen a UFO? If you live in North Carolina, join the crowd, National UFO Center says | Charlotte Observer," 13 Mar. 2018 In the first video, from an encounter off the coast of San Diego in 2004, a fighter jet tracks a lozenge-shaped something that seems to zoom off at incredible speed, apparently without generating exhaust plumes or a sonic boom. Lee Billings, Scientific American, "It’s Never Aliens—until It Is," 9 Jan. 2018 Much of the debate on the operating side has focused on scrubbers, a sulfur-trapping exhaust system that treats ship fumes before they are released in the atmosphere. Costas Paris, WSJ, "Shipping Comes to Terms With $50 Billion Clean-Fuel Bill," 4 Apr. 2019 Once a year, the bucolic grounds of Goodwood House in West Sussex, England, are consumed by the smell of exhaust fumes, the sound of engines revving, and an excited crowd of 100,000 people, all wanting a look at the special cars on show. Jack Stewart, WIRED, "A Racing Robocar Takes On England's Swankiest Track," 7 July 2018 Still missing: Clear walkways where pedestrians could stroll from Brickell to Edgewater and back without having to dodge traffic or breathe exhaust fumes. Rene Rodriguez, miamiherald, "More people than ever live in downtown Miami — and they're starting to raise families," 29 May 2018 This year, that carpet ride starts in April, and there will be no looking back, as the Astros will leave the AL West suffocating on their exhaust fumes and ensure the Division Series and, possibly, World Series begin in Houston. Usa Today Sports, USA TODAY, "MLB bold predictions: 6 scenarios for the 2018 season as Opening Day looms," 26 Mar. 2018 On another blistering patch of concrete ringed by refugee shelters, the smell of cooking fires is mingling with exhaust fumes, and a new crop of kids are pushing their faces through the bars of a gate outside a small school. Bronwen Dickey, Popular Mechanics, "The Lost Kids on the Line," 14 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'exhaust.' 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 exhaust

Verb

1531, in the meaning defined at transitive sense 1a

Noun

1848, in the meaning defined at sense 1a

History and Etymology for exhaust

Verb

Latin exhaustus, past participle of exhaurire, from ex- + haurire to draw; akin to Middle High German œsen to empty, Greek auein to take

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Statistics for exhaust

Last Updated

11 May 2019

Look-up Popularity

Time Traveler for exhaust

The first known use of exhaust was in 1531

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More Definitions for exhaust

exhaust

verb

English Language Learners Definition of exhaust

 (Entry 1 of 2)

: to use all of someone's mental or physical energy : to tire out or wear out (someone) completely
: to completely use up (something, such as supplies or money)
: to try all of (something)

exhaust

noun

English Language Learners Definition of exhaust (Entry 2 of 2)

: the mixture of gases produced by an engine
: a pipe or system of pipes through which exhaust is released

exhaust

verb
ex·​haust | \ ig-ˈzȯst How to pronounce exhaust (audio) \
exhausted; exhausting

Kids Definition of exhaust

 (Entry 1 of 2)

1 : to tire out : fatigue Hard work will exhaust you.
2 : to use up completely We've exhausted our supplies.
3 : to try out all of We exhausted all options.

exhaust

noun

Kids Definition of exhaust (Entry 2 of 2)

1 : the gas that escapes from an engine
2 : a system of pipes through which exhaust escapes

exhaust

transitive verb
ex·​haust | \ ig-ˈzȯst How to pronounce exhaust (audio) \

Medical Definition of exhaust

1a : to draw off or let out completely
b : to empty by drawing off the contents specifically : to create a vacuum in
2a : to use up : consume completely
b : to tire extremely or completely exhausted by overwork
3 : to extract completely with a solvent exhaust a drug with alcohol

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exhaust

transitive verb
ex·​haust

Legal Definition of exhaust

: to use up or consume entirely: as
a : to try all of (available remedies) the applicant has exhausted the remedies available in the courts of the StateU.S. Code
b : to bring (a claim) through all available prior levels of review each of his claims would now be exhausted— W. R. LaFave and J. H. Israel

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