exhaust

[ ig-zawst ]

/ ɪgˈzɔst /

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See synonyms for: exhaust / exhausted / exhausting / exhaustible on Thesaurus.com

verb (used with object)

to drain of strength or energy, wear out, or fatigue greatly, as a person: I have exhausted myself working.

to use up or consume completely; expend the whole of: He exhausted a fortune in stock-market speculation.

to draw out all that is essential in (a subject, topic, etc.); treat or study thoroughly.

to empty by drawing out the contents: to exhaust a tank of fuel oil.

to create a vacuum in.

to draw out or drain off completely.

to deprive wholly of useful or essential properties, possessions, resources, etc.

Chemistry, Pharmacology. to deprive of ingredients by the use of solvents, as a drug.

to destroy the fertility of (soil), as by intensive cultivation.

verb (used without object)

to pass out or escape, as spent steam from the cylinder of an engine.

noun Machinery.

the escape of steam or gases from the cylinder of an engine.

the steam or gases ejected.

Also called exhaust system. the parts of an engine through which the exhaust is ejected.

OTHER WORDS FOR exhaust

1 tire, enervate, prostrate, debilitate.

2 waste, squander, dissipate.

4 void.

12 fume, smoke, vapor.

See synonyms for exhaust on Thesaurus.com

OPPOSITES FOR exhaust

1 strengthen, invigorate.

4 fill.

See antonyms for exhaust on Thesaurus.com

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Origin of exhaust

1515–25; 1895–1900 for def. 11; <Latin exhaustus emptied out, drained out, past participle of exhaurīre

OTHER WORDS FROM exhaust

ex·haust·er, nounex·haust·i·ble, adjectiveex·haust·i·bil·i·ty, nounmul·ti·ex·haust, noun

non·ex·haust·ed, adjectivenon·ex·haust·i·ble, adjectivepre·ex·haust, verb (used with object)un·ex·haust·ed, adjectiveun·ex·haust·ed·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use exhaust in a sentence

Fresh oxygen needs to be taken on board and the accumulated carbon monoxide, together with the exhaust that comes from running the diesel generators, must be extracted.
Electric propulsion makes this French submarine concept extra sneaky|Christina Mackenzie|November 30, 2020|Popular-Science
Yes, it’s pricey, but because it has vented exhaust, it’s safe to use all night long.
The Best Winter Car-Camping Upgrades|Bryan Rogala|November 24, 2020|Outside Online
The amount of digital exhaust has increased drastically over the last few years.
The rise of vertical search engines|Andrew Bocskocsky|November 13, 2020|Search Engine Watch
So, we have the car engine out in an open courtyard with the exhaust pointing away from any access points to the room, and then to double-check that none of the exhaust accidentally bleeds in, we measure the CO2 levels of the room.
Please Get Your Noise Out of My Ears (Ep. 439)|Stephen J. Dubner|November 12, 2020|Freakonomics

The fuel tank and exhaust also went in the recycling bin, and a 60kWh lithium-ion battery pack was mounted in the Blazer's cargo area.
Chevrolet readies an electric crate motor for homebuilt EV hotrods|Jonathan M. Gitlin|October 29, 2020|Ars Technica
For by another paradox—this time not of art but of nature—the extraordinary is exhaustible and the ordinary is not.
The English Novel|George Saintsbury
Conservation comprehends the substitution as far as possible of materials for those that are exhaustible.
Proceedings of the Second National Conservation Congress|Various
A hundred thousand pioneers with energy, courage, and perseverance scarcely less exhaustible than the soil they cultivated!
History of the Constitutions of Iowa|Benjamin F. Shambaugh
Yet, let it not be thought that I regard the mind of England as exhausted, or even as exhaustible.
Blackwood's Edinburgh Magazine, Volume 58, Number 360, October 1845|Various
Comes he to that power, his genius is no longer exhaustible.
Essays, Second Series|Ralph Waldo Emerson

British Dictionary definitions for exhaust

exhaust

/ (ɪɡˈzɔːst) /

verb (mainly tr)

to drain the energy of; tire outto exhaust someone by constant questioning

to deprive of resources, etca nation exhausted by war

to deplete totally; expend; consumeto exhaust food supplies

to empty (a container) by drawing off or pumping out (the contents)

to develop or discuss thoroughly so that no further interest remainsto exhaust a topic of conversation

to remove gas from (a vessel, etc) in order to reduce the pressure or create a vacuum; evacuate

to remove or use up the active ingredients from (a drug, solution, etc)

to destroy the fertility of (soil) by excessive cultivation

(intr) (of steam or other gases) to be emitted or to escape from an engine after being expanded

noun

gases ejected from an engine as waste products

the expulsion of expanded gas or steam from an engine
(as modifier)exhaust stroke

the parts of an engine through which the exhausted gases or steam pass
(as modifier)exhaust valve; exhaust pipe

Derived forms of exhaust

exhausted, adjectiveexhauster, nounexhaustible, adjectiveexhaustibility, noun

exhausting, adjective

Word Origin for exhaust

C16: from Latin exhaustus made empty, from exhaurīre to draw out, from haurīre to draw, drain

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

exhaust

OTHER WORDS FOR exhaust

OPPOSITES FOR exhaust

Origin of exhaust

OTHER WORDS FROM exhaust

Words related to exhaust

How to use exhaust in a sentence

British Dictionary definitions for exhaust

Derived forms of exhaust

Word Origin for exhaust