Exhaust Definition

ĭg-zôst

exhausted, exhausting, exhausts

verb

exhausted, exhausting, exhausts

To be discharged or let out, as gas or steam from an engine.

Webster's New World

To use up; expend completely.

To exhaust one's resources.

Webster's New World

To tire out; make very weary; weaken.

Webster's New World

To drain of power, resources, etc.

War exhausted the nation.

Webster's New World

To draw off or let out completely (air, gas, etc.), as from a container.

Webster's New World

Synonyms:

Antonyms:

noun

exhausts

The escape or release of vaporous waste material, as from an engine.

American Heritage

An apparatus for doing this, as in getting rid of fumes, dust, stale air, etc.

Webster's New World

The withdrawing of air, gas, etc. from a container or enclosure, as by means of a fan or pump.

Webster's New World

The discharge or release of used steam, gas, etc. from a steam or gas turbine or from the cylinders of an engine at the end of every working stroke of the pistons.

Webster's New World

A duct or pipe through which waste material is emitted.

American Heritage

Synonyms:

adjective

(obsolete) Exhausted; used up.

Wiktionary

Synonyms:

Other Word Forms of Exhaust

Noun

Singular:

exhaust

Plural:

exhausts

Origin of Exhaust

From Latin exhaustus, past participle of exhaurire (“to draw out, drink up, empty, exhaust”), from ex (“out”) + haurire (“to draw (especially water), drain”).

From Wiktionary
Latin exhaurīre exhaust- ex- ex- haurīre to draw

From American Heritage Dictionary of the English Language, 5th Edition