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

With all of that activism, some might think you’d be exhausted—but look at you, (and listen to you)—you know the secret! Caroline Hallemann, Town & Country, "Prince Harry Just Gave a Powerful Speech at This Year's WE Day," 6 Mar. 2019 In a seller’s market, where available properties may be limited, try to exhaust all your options—not just Trulia, Zillow, and whatever your Realtor sends your way. Nancy Mann Jackson, House Beautiful, "Here's Exactly What It Takes To Buy A Home," 26 Feb. 2019 Women were weaker, likely to be exhausted by too much education or work, but more moral and spiritually pure, and such attributes were best suited to crafting a sanctuary-like home for one’s family. Olivia Campbell, Smithsonian, "The Historical Struggle to Rid Socialism of Sexism," 12 July 2018 Whatever happens, the new legal strategy indicates that the Trump administration is continuing to exhaust all legal and moral acrobatics to make sure that migrants and their children are treated with as little tolerance as possible. Chas Danner, Daily Intelligencer, "Trump Administration Claims Right to Detain Migrant Families Indefinitely," 30 June 2018 This new structure allows hot air to exhaust out the back of the machine for more efficient cooling. Valentina Palladino, Ars Technica, "HP Omen 15 laptop gets Nvidia Max-Q graphics, sleeker design with slim bezels," 30 May 2018 The battle between love and hate exhausts him, and his own lack of success gnaws at him. Dan Cryer, San Francisco Chronicle, "‘The Italian Teacher,’ by Tom Rachman," 28 Mar. 2018 Aimlessly browsing for the perfect sofa is exhausting, and sorting through thousands of search results online is even harder. Taylor Mead, House Beautiful, "What You Should Know Before Buying Furniture From Interior Define," 31 Oct. 2018 The Finance Ministry recently announced that the country’s rainy-day oil- and gas-tax-revenue reserve fund, which had been used to plug holes in the state budget — almost $143 billion at its peak in 2008 — had been exhausted and closed down. Leon Aron, National Review, "Vladimir Putin’s Wartime Presidency," 16 Feb. 2018

Recent Examples on the Web: Noun

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 Volkswagen paid to have monkeys inhale exhaust fumes to prove that its diesel emissions were harmless, according to a documentary currently available on Netflix. Clifford Atiyeh, Car and Driver, "Volkswagen Diesel Tests on Monkeys Revealed by Documentary; First Head Rolls at VW HQ," 30 Jan. 2018 In the Mariposa grove, the traffic brought exhaust fumes and engine noise to the foot of some of the world’s oldest living things. New York Times, BostonGlobe.com, "Yosemite reopens giant sequoia grove after three-year restoration project," 19 June 2018 Pollution Tiny particles from exhaust, smog, or debris are attracted to your skin's oil and mix with it to create breakouts. Kelsey Castañon, Seventeen, "Everything You Need to Know About Acne — and How to Get Rid of It," 4 Dec. 2018 Mecklenburg had no unhealthy days in 2014 to 2016 due to a different form of air pollution, airborne particles from diesel exhaust and other sources. Bruce Henderson, charlotteobserver, "Smog rises slightly in NC cities. Here's how Charlotte ranks in the U.S. | Charlotte Observer," 18 Apr. 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

13 Apr 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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Comments on exhaust

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