exhaust in WordNet English dictionary

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

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