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

Sleeping With Your Makeup On Some evenings, the mere thought of splashing water on your face can be exhausting. Mackenzie Wagoner, Vogue, "5 Bad Beauty Habits to Break This Year (and How)," 29 Dec. 2018 On Friday, Schumer posted a photo of herself to Instagram holding a very large wine glass, because, presumably, politics in 2018 can be exhausting. Krystin Arneson, Glamour, "Amy Schumer Is the Latest Celeb to Boycott the Super Bowl," 21 Oct. 2018 The rapidity of the media cycle can certainly be exhausting. Fox News, "Psychologist says Americans are suffering from 'Trump Anxiety Disorder'," 31 July 2018 Music festivals can be exhausting, expensive or both. New York Times, "12 Pop, Rock and Jazz Concerts to Check Out in N.Y.C. This Weekend," 14 June 2018 No question, the physical toil of parenting has gotten easier as our daughters have grown, but our daily lives are more complex, and the mental and emotional output can be exhausting. Katie Arnold, Outside Online, "Childhood Adventures Wouldn't Happen Without Moms," 30 May 2018 These stressors can exhaust the birds, who already have to fly hundreds of miles each day during their migration. National Geographic, "This Is What One of the Last Great Migrations Looks Like," 17 Apr. 2018 Insecurity can be exhausting, and constantly having to build up a partner who is always down on himself gets old fast. Monique Judge, The Root, "There’s Nothing Wrong With Having Dating Preferences," 16 Apr. 2018 Still, the job can be exhausting — emotionally and also physically: Family service coordinators work in 24-hour shifts, and those shifts can become much longer and can involve travel around the state. Will Higgins, Indianapolis Star, "To save lives, they must ask grieving families a difficult question," 12 Apr. 2018

Recent Examples on the Web: Noun

The Sport Hybrid sports dual exhausts and a pair of Hybrid badges on the front fenders. Eric Bangeman, Ars Technica, "Love the hardware, hate the UI: The Acura MDX Sport Hybrid," 13 Dec. 2018 Some laptops have fans that subtly vent out of the bottom or side of the case, and so placing your laptop on anything other than a hard, flat surface can block the intake or exhaust. Kevin Dupzyk, Popular Mechanics, "Three Ways to Speed Up a Slow Computer," 7 Dec. 2018 The less fluid range of motion reflects the hinge design changing entirely to make room for the cooling system’s exhausts. Stefan Etienne, The Verge, "Razer Blade 15 dual storage review: too much compromise," 8 Nov. 2018 The tree, believed to be a genetic clone of a willow near the French dictator's grave site, hasn’t given up even after 135 years, despite arduous conditions, vehicle exhaust and even once getting chopped down. Erik Lacitis, The Seattle Times, "‘It has a story to tell’: How a descendant of Napoleon’s willow tree took root on a Seattle hillside," 30 Oct. 2018 The problem with these crude motors is that their intake and exhaust functions occur at the same time, meaning the fuel mixes with oil. Adrienne Bernhard, WSJ, "Leaf Blowers Are Loud, Ugly and Dangerous," 18 Oct. 2018 For example, airflow and direction exhaust are used to help lower the helicopters’ IR signature. Allison Barrie, Fox News, "Meet the new Air Force helicopters that can 'defy Armageddon'," 27 Sep. 2018 Urban dwellers who encounter daily pollution (hello, car exhaust, soot, and smog) would do well to keep a daily protective skin treatment close at hand. Zoe Ruffner, Vogue, "9 Fall Skin-Care Products For a Filter-Free Glow," 27 Sep. 2018 This type of pollution is generally caused by motor vehicle exhaust, industrial emissions, gasoline vapors, and chemical solvents, NOAA says. Korin Miller, SELF, "How to Stay Safe When Your City’s Air Quality Is Dangerous," 21 Aug. 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

19 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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