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

According to the criminal complaint, Jacobson drove through the scene of the crash, hitting and dragging Aiken, damaging his car’s exhaust pipe. Deanna Weniger, Twin Cities, "Roseville motorist who left scene after striking pedestrian in fatal January crash is charged," 6 Sep. 2019 According to the 2019 Trustees report, Social Security now sits less than 16 years away from completely exhausting the nearly $2.9 trillion in asset reserves that have been built up since inception. Sean Williams, USA TODAY, "Trump's latest idea could put Social Security in a serious bind," 6 Sep. 2019 Philippe becomes the first of many characters to abandon Erik, exhausted by his friend’s antagonistic approach to life. Lily Meyer, The Atlantic, "Rewriting the ‘Boy Genius’," 1 Sep. 2019 With his notebook in hand, the sculpture of Darwin is seated on a bench, as if he's just exhausted himself touring the show. Rachael Lallensack, Smithsonian, "Here Are 12 Things You Might Miss in the Smithsonian’s New Fossil Hall," 7 June 2019 Such a simple thing as providing a meal will take one thing off the Riggleman’s plate and help them not exhaust themselves trying to do everything for themselves. Susan Harrison, baltimoresun.com, "Neighbors welcome to pitch in to help boy hit by car while riding his bike," 7 June 2019 Les Maruo exhausted his eligibility, and leading tackler Josiah Tauaefa decided to leave for the NFL after his junior year. Greg Luca, ExpressNews.com, "Former UTSA walk-on LaDarian McFarland answers challenge, claims starting linebacker spot," 28 Aug. 2019 Not to say there weren’t times when Sherman took things too far—the Seahawks felt Sherman crossed the line for once threatening to ruin a reporter’s career; spats with teammates were mostly brotherly but could be emotionally exhausting. The Si Staff, SI.com, "100 Figures Who Shaped the NFL’s First Century," 28 Aug. 2019 Redshirt sophomore Bentavious Thompson could take on a bigger role following the departure of Taj McGowan, who exhausted his eligibility last season. Matt Murschel, orlandosentinel.com, "UCF features a wealth of experience, physicality among the running backs group," 22 Aug. 2019

Recent Examples on the Web: Noun

About 50% of the Roxor’s content is sourced in the United States, including exhaust system, paint, tires, tops, glass, Warn winches and locking hubs. Mark Phelan, Detroit Free Press, "Jeep-like ATV looks like a toy — but Mahindra means business," 31 Aug. 2019 In addition, the city has budgeted for the installation of a new exhaust system, a new filter and a sub-grade surge chamber. San Diego Union-Tribune, "One of the city’s oldest public pools is slated to get millions in mandatory fixes," 30 Aug. 2019 Among the tricks Shelby didn’t have back in the mid-60s were 2020’s active exhaust system that lets the driver revel in that V8 soundtrack and the five drive modes that optimize the Tremec transmission and active suspension. Jeff Yip, Houston Chronicle, "Red-carpet rockets: Is 500 hp now theadmission price to supercar club?," 30 Aug. 2019 The colorless, odorless gas is produced in high concentrations in piston-engine planes, but is removed through the exhaust system. Cnn.com Wire Service, The Mercury News, "Emiliano Sala had high carbon monoxide level at time of fatal crash," 14 Aug. 2019 The developer has spent almost $1 million in construction costs for infrastructure like gas, electrical, water, exhaust hood, floor drains, grease traps. Roland Li, SFChronicle.com, "Chain store bans in San Francisco leave more shops empty, critics say," 7 July 2019 What started as a $2 million project has ballooned to $4 million, with most of the additional costs going toward providing adequate water and power for the individual booths and the large commercial kitchen, as well as multiple exhaust hoods. J.k. Dineen, San Francisco Chronicle, "SF’s La Cocina Tenderloin marketplace project hits roadblock," 5 May 2018 The research demonstrated the fragments may become airborne in a way similar to dust, pollen and fine particulate matter from vehicle exhausts. Frank Jordans, Anchorage Daily News, "The atmosphere is carrying microplastics into the Arctic, scientists say," 15 Aug. 2019 Oregon’s most powerful industries have killed, weakened or stalled efforts to deal with climate change, disappearing bird habitat, cancer-causing diesel exhaust, industrial air pollution, oil spill planning and weed killers sprayed from helicopters. Rob Davis | The Oregonian/oregonlive, oregonlive.com, "Oregon Democrats call for “substantial regulation” of money in state politics," 15 Aug. 2019

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

14 Sep 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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