exhaust

Formsexhausts, exhausting, exhausted

Pluralexhausts (some meanings)

1. 1
   verbtransitive

   To use all of something until there is none left.

   A big repair can exhaust a family's savings.

   The long wait exhausted the last of her patience.

   Similardeplete, consume, expend, drain

   Oppositereplenish

   Note
2. 2
   verbtransitive

   To make someone so tired that they have no energy left.

   Long car trips always exhaust my little brother.

   The hot sun exhausted the players by halftime.

   Similartire, fatigue, drain, weary

   Oppositerefresh, invigorate, energize, revive

   Note
3. 3
   noununcountable

   The gas that comes out of an engine after it burns fuel.

   The exhaust from the old bus made me cough.

   Never leave a car running in a closed garage, because the exhaust builds up fast.

   Similarfumes

4. 4
   nouncountable

   The parts of an engine that carry the used gas or steam away and let it out.

   The mechanic checked the whole exhaust, from the engine to the back of the car.

   Black smoke poured out of the boat's exhaust when the engine started.

   Note
5. 5
   nouncountable

   The pipe that lets used gas out of an engine, mostly on cars and trucks.

   Gray smoke was coming out of the exhaust of the car in front of us.

   Don't touch the exhaust, because it gets very hot.

   Similartailpipe

6. 6
   verbtransitive

   To take or let out all of something, like water, until it is drained.

   After the storm, we had to exhaust the water from the cellar with a pump.

   Weeks of hot sun exhausted the moisture from the garden soil.

   Similardrain

   Note
7. 7
   verbtransitive

   To empty something by taking out or letting out everything inside it.

   The pump can exhaust the tank in about ten minutes.

   The crew exhausted the old well before they cleaned it.

   Similarempty, evacuate, drain

   Oppositefill

   Note
8. 8
   verbtransitive

   To talk about a subject so fully that there is nothing left to say.

   I think we have exhausted this subject, so let's move on.

   The class tried to exhaust the question in one long lesson.

9. 9
   verbtransitive

   To push used air or gas out of a place or machine.

   Big fans exhaust the smoky air from the kitchen.

   The air in the lab is exhausted through a vent on the roof.

   Similarexpel, vent, discharge

   Note
10. 10
    verbintransitive

    To flow out as used gas or steam, often through a pipe.

    In this engine, the gases exhaust through two pipes at the back.

    When the valve opens, the air exhausts with a loud hiss.

    Similarvent, discharge

    Note

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