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Definition of exhaust

exhaust

/ɪɡˈzɔːst/
ex · haust

Plural:exhausts
•
Adjective:exhaustive
•
Past Simple:exhausted
•
Past Participle:exhausted
•
Present Participle:exhausting
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exhaust Lexical Profile

exhaust Game Scores & Validity

• noun

1

Waste gases or air expelled from an engine, turbine, or other machine in the course of its operation.

Example

"The city implemented new regulations to limit the amount of exhaust released by heavy transport vehicles."


2

The pipe, duct, or system through which waste gases are expelled from a machine.

Example

"The mechanic noticed a significant rust hole developing in the car's exhaust."

• verb

1

To drain someone of their physical or mental energy; to tire out completely.

Example

"The grueling twelve-hour shift at the hospital managed to exhaust even the most experienced nurses."


2

To consume or use up a resource entirely.

Example

"The prolonged drought threatened to exhaust the town's primary reservoir before the end of summer."


3

To explore, discuss, or study a subject so thoroughly that nothing further remains to be said or discovered.

Example

"The committee managed to exhaust the topic of budget cuts during their marathon afternoon meeting."

Synonyms
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Antonyms
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• Rhymes for exhaust

Word Origin & Etymology

From Latin 'exhaustus', the past participle of 'exhaurire' meaning 'to draw off' or 'to drain out', composed of 'ex-' (out) and 'haurire' (to draw).

Cite this Entry


Wordmom. (2026). Definition of Exhaust. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/exhaust
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