exhaust

verb
ex·​haust | \ig-ˈzȯst \
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 \ noun
exhaustible \ig-​ˈzȯ-​stə-​bəl \ 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

Since wells are exhausted quickly, the process requires near-constant drilling by a constellation of smaller companies that, compared to the traditional oil majors, use a lot of debt. Paul Kiernan, WSJ, "Cheaper Oil Isn’t the U.S. Boon It Used to Be," 2 Dec. 2018 Dawn’s struggle will be brief, lasting only hours before the battery is exhausted. Mary Beth Griggs, The Verge, "NASA’s Dawn spacecraft is dead," 1 Nov. 2018 Every loss is a tragedy, and that is the only undisputed part of those events after all the arguments about weapon control and mental health and security are exhausted. Bob Ford, Philly.com, "Annapolis newspaper shooting hits home for this writer, because all of us in journalism have been there | Bob Ford," 29 June 2018 American University announced in April that despite elevating the hate crime to the FBI and federal prosecutors, all credible leads regarding the noose incident had been exhausted. Mallory Simon, CNN, "School's first black student president was the target of a racist attack. Now she's suing over the 'troll storm' that followed," 3 May 2018 Vince Figarelli, the superintendent of DPS crime lab system, said the method will be reserved for violent crime cases where leads have been exhausted. Uriel J. Garcia, azcentral, "How familial DNA search was used to find Scottsdale murder suspect in Allison Feldman case," 16 Apr. 2018 For newlyweds who are exhausted from wedding planning, consider an all-inclusive honeymoon package designed by world-class tour operators. Ashlea Halpern, The Cut, "12 Epic, All-Inclusive Honeymoon Itineraries," 11 Apr. 2018 The military’s automatic version of the AR-15 can fire in three-round bursts or continuously with a single pull of the trigger until the ammunition is exhausted. Skyler Swisher, Sun-Sentinel.com, "The AR-15: Killing machine or 'America's rifle'?," 16 Mar. 2018 Driving a supercar can be exhausting Driving has worn me out before. Eric Bangeman, Ars Technica, "Nine things I learned from driving a supercar for three days," 9 Nov. 2018

Recent Examples on the Web: Noun

With a puff of black exhaust and cheers from the onlookers, the tractor rolled forward and King took it for a lap around a nearby barn. Sarah Meehan, Washington Post, "A training program for new farmers is teaching its biggest class yet," 30 June 2018 With a puff of black exhaust and cheers from the onlookers, the tractor rolled forward and King took it for a lap around a nearby barn. Sarah Meehan, baltimoresun.com, "A training program for new farmers is teaching its biggest class yet," 28 June 2018 The problem is that the law of conservation of momentum says that a rocket cannot accelerate forward without some form of exhaust ejected backwards. David Hambling, Popular Mechanics, "New Study Casts Doubt on the "Impossible" EmDrive," 24 May 2018 These finalists will be given space near a power plant and pipes that will deliver some of the plant's carbon-dioxide-rich exhaust. John Timmer, Ars Technica, "Putting CO₂ to use: 10 finalists named for Carbon XPrize," 11 Apr. 2018 Back in the 1970's, defeat devices were actual switches that could, for example, sense very low temperatures and cut out the car's exhaust recirculation system to maintain good performance. Megan Geuss, Ars Technica, "After-market car tech firm sold 363,000 emissions-cheating devices, DOJ says [updated]," 25 Sep. 2018 In rough conditions, water could get into the exhaust system, and then into the motor, cutting it off. Barnini Chakraborty, Fox News, "Branson duck boat operator was warned in 2017 of dangers, inspector says," 22 July 2018 The technology works well for particulates, the pollution that can come from dust, smoke, and diesel exhaust and can lodge in the lungs and bloodstream. Jason Plautz, WIRED, "Cheap, Portable Sensors Are Democratizing Air-Quality Data," 11 July 2018 Install soffit vents for intake, and exhaust vents at the high point of the roof. Popular Mechanics, "3 Energy-Saving Ways To Keep Your House Cooler This Summer," 27 June 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

7 Dec 2018

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 \
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 \

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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