exhaust exhaust /ɪgˈzɔst/

noun

1. System consisting of the parts of an engine through which burned gases or steam are discharged  ( exhaust , exhaust system )
   system consisting of the parts of an engine through which burned gases or steam are discharged
   
   
2. Gases ejected from an engine as waste products  ( exhaust , exhaust fumes , fumes )
   gases ejected from an engine as waste products
    The car emitted dark fumes from its exhaust.
   The car emitted dark fumes from its exhaust.
   
   

verb

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