exhaust

noun

/ɪɡˈzɔːst/

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[uncountable] waste gases that come out of a vehicle, an engine or a machine
- car exhaust fumes/emissions
Wordfinder
- drain
- dump
- effluent
- exhaust
- fly-tip
- incinerator
- landfill
- rubbish
- sewage
- waste
Extra Examples
- ducts which draw out exhaust air and replace it with fresh
- The car was fitted with a catalytic converter to meet exhaust regulations.
Topics The environmentc1, Transport by car or lorryc1
Oxford Collocations Dictionary
adjective
- auto
- automobile
- car
- …
exhaust + noun
- emission
- fumes
- gas
- …
preposition
- from an/the exhaust
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[countable] the system in a vehicle through which exhaust gases come out
- My car needs a new exhaust.
- pollution from car exhausts
Topics Transport by car or lorryc1
Oxford Collocations Dictionary
adjective
- auto
- automobile
- car
- …
exhaust + noun
- emission
- fumes
- gas
- …
preposition
- from an/the exhaust
See full entry

Word Originmid 16th cent. (in the sense ‘draw off or out’): from Latin exhaust- ‘drained out’, from the verb exhaurire, from ex- ‘out’ + haurire ‘draw (water), drain’.

exhaust

verb

/ɪɡˈzɔːst/

Verb Forms

present simple I / you / we / they exhaust	/ɪɡˈzɔːst/ /ɪɡˈzɔːst/
he / she / it exhausts	/ɪɡˈzɔːsts/ /ɪɡˈzɔːsts/
past simple exhausted	/ɪɡˈzɔːstɪd/ /ɪɡˈzɔːstɪd/
past participle exhausted	/ɪɡˈzɔːstɪd/ /ɪɡˈzɔːstɪd/
-ing form exhausting	/ɪɡˈzɔːstɪŋ/ /ɪɡˈzɔːstɪŋ/

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to make somebody feel very tired synonym wear out
- exhaust somebody Even a short walk exhausted her.
- exhaust yourself There's no need to exhaust yourself clearing up—we'll do it.
Extra Examples
- The experience had exhausted her physically and emotionally.
- The swimming had completely exhausted him.
Oxford Collocations Dictionary
adverb
- completely
- totally
- utterly
- …
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exhaust something to use all of something so that there is none left
- Within three days they had exhausted their supply of food.
- Don't give up until you have exhausted all the possibilities.
Extra Examples
- The funds are nearly exhausted.
- Their limited resources were quickly exhausted.
Oxford Collocations Dictionary
adverb
- completely
- almost
- nearly
- …
See full entry
exhaust something to talk about or study a subject until there is nothing else to say about it
- I think we've exhausted that particular topic.

Word Originmid 16th cent. (in the sense ‘draw off or out’): from Latin exhaust- ‘drained out’, from the verb exhaurire, from ex- ‘out’ + haurire ‘draw (water), drain’.