exhaust
//ɪɡˈzɔːst//
Verb
exhaustInfinitive
exhaustPresent tense
exhaustedPast tense
exhaustedPast participle
exhaustingPresent participle
exhaustsThird-person singular
1
to make someone extremely tired physically or mentally
The long hike exhausted all of us.
2
to use up completely; to consume all of a resource or supply
We have exhausted all our supplies and need to order more.
3
to discuss or treat a subject thoroughly, leaving nothing more to say
We exhausted the topic in our three-hour meeting.
Noun
exhaustSingular
exhaustsPlural
1
the waste gases or air expelled from an engine, turbine, or other machine
The exhaust from the car was thick and black.
2
the system or pipe through which waste gases are expelled from an engine
The mechanic checked the car's exhaust for leaks.