exhaust - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “exhaust”

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exhaust

verb [T]  us   /ɪɡˈzɔst/

exhaust verb [T] (TIRE)

to make a person or an animal extremely tired: The long hike up the mountain exhausted us all.

exhaust verb [T] (USE)

to use something completely: After a whole day with the kids, her patience was nearly exhausted.

exhaust

noun [C/U]  us   /ɪɡˈzɔst/

exhaust noun [C/U] (GAS)

the waste gas from an engine, esp. a from a car, or the pipe this gas flows through
(Definition of exhaust from the Cambridge Academic Content Dictionary © Cambridge University Press)
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