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

Burnout is probably the biggest risk that influencers face — constant public scrutiny, as any celebrity can tell you, is exhausting. Elizabeth Lopatto, The Verge, "Elon Musk is the first influencer CEO," 21 Dec. 2018 On the other hand, the whole process was exhausting. Sarah Kliff, Vox, "I read 1,182 emergency room bills this year. Here’s what I learned.," 18 Dec. 2018 This maelstrom is an exhausting workout for wrist and arms. David Dubal, WSJ, "Studies in Reckless Virtuosity," 16 Nov. 2018 Most of the crowd will venture to Europe for the next few weeks of shows, an exhausting month to say the least. Michaela Bechler, Vogue, "Net-a-Porter’s Family Dinner Was a Feast for Fashion Lovers," 11 Sep. 2018 Grief brain is an exhausting experience, and it’s in the throes of grief brain when your family is expected to make complicated, expensive decisions about your funeral arrangements. Ace Ratcliff, SELF, "6 Things You Should Do Now to Prepare for Your Own Funeral," 30 Aug. 2018 Just the process of picking out an outfit for the day can be as exhausting as getting through the day itself. Shilpa Prabhakar Nadella, Glamour, "I've Turned So Many People On to This Brand With My Non-Maternity Pregnancy Wardrobe," 31 Aug. 2018 Broadley's team was able to show that after the thousands of years of continual explosion, the Siberian lithosphere seemed to have exhausted itself of its deadly chemicals. David Grossman, Popular Mechanics, "Scientists Discover New Details on How the "Great Dying" Nearly Ended Life on Earth," 28 Aug. 2018 All these changes can be absolutely exhausting, so check out Origins GinZing Energy-Boosting Gel Moisturizer, a facial cream loaded with rejuvenating boosters that will help rev up your natural glow. Aliza Kelly Faragher, Allure, "What July's Aquarius Horoscope Means for You," 29 June 2018

Recent Examples on the Web: Noun

The International Maritime Organization, the United Nations body that sets standards for the global marine industry, is demanding ships slash the sulfur content of their exhaust by more than 85% by 2020. Sarah Mcfarlane, WSJ, "Airlines Face Rising Fuel Costs. Blame Cruise Ships.," 22 Oct. 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, 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, 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

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

5 Jan 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 \
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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