Dictionary

1exhaust

verb ex·haust \ig-ˈzst\

: 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)

Full Definition of EXHAUST

transitive verb
1
a :  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>
2
a :  to draw off or let out completely
b :  to empty by drawing off the contents; specifically :  to create a vacuum in
3
a :  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>
ex·haust·er noun
ex·haust·ibil·i·ty \-ˌz-stə-ˈbi-lə-tē\ noun
ex·haust·ible \-ˈz-stə-bəl\ adjective
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Origin of EXHAUST

Latin exhaustus, past participle of exhaurire, from ex- + haurire to draw; akin to Middle High German œsen to empty, Greek auein to take
First Known Use: 1531

Synonym Discussion of EXHAUST

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, fag 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>. fag implies a drooping with fatigue <shoppers all fagged out by the Christmas rush>.

2exhaust

noun

: the mixture of gases produced by an engine

: a pipe or system of pipes through which exhaust is released

Full Definition of EXHAUST

1
a :  the escape of used gas or vapor from an engine
b :  the gas or vapor thus escaping
2
a :  the conduit through which used gases escape
b :  an arrangement for removing fumes, dusts, or odors from an enclosure
3

First Known Use of EXHAUST

1848

Other Automotive Terms

articulated, block, choke, clutch, diesel, neutral, transmission
EXHAUSTING Defined for Kids

1exhaust

verb ex·haust \ig-ˈzst\
ex·haust·edex·haust·ing

Definition of EXHAUST for Kids

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.>

2exhaust

noun

Definition of EXHAUST for Kids

1
:  the gas that escapes from an engine
2
:  a system of pipes through which exhaust escapes
Medical Dictionary

exhaust

transitive verb ex·haust \ig-ˈzst\

Medical Definition of EXHAUST

1
a :  to draw off or let out completely b :  to empty by drawing off the contents; specifically :  to create a vacuum in
2
a :  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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