exhaust meaning and definition

EXHAUST noun

Definition of exhaust (noun)

1. gases ejected from an engine as waste products
   • synonyms: exhaust fumes, fumes
2. system consisting of the parts of an engine through which burned gases or steam are discharged
   • synonyms: exhaust system

EXHAUST verb

Definition of exhaust (verb)

1. wear out completely
   • "This kind of work exhausts me"; "I'm beat"; "He was all washed up after the exam"
   • synonyms: beat, tucker, tucker out, wash up
2. use up (resources or materials)
   • "this car consumes a lot of gas"; "We exhausted our savings"; "They run through 20 bottles of wine a week"
   • synonyms: consume, deplete, eat, eat up, run through, use up, wipe out
3. deplete
   • "exhaust one's savings"; "We quickly played out our strength"
   • synonyms: play out, run down, sap, tire
4. use up the whole supply of
   • "We have exhausted the food supplies"
5. eliminate (a substance)
   • "combustion products are exhausted in the engine"; "the plant releases a gas"
   • synonyms: discharge, eject, expel, release