- (transitive) To draw or let out wholly; to drain off completely
The water was exhausted out of the well.
Moisture of the earth is exhausted by evaporation.
- (transitive) To empty by drawing or letting out the contents
to exhaust a well
to exhaust a treasury
- (transitive, figuratively) To drain; to use up or expend wholly, or until the supply comes to an end
My grandfather seemingly never exhausts his supply of bad jokes.
to exhaust one's resources
You're exhausting my patience.
I exhausted my strength walking up the hill.
- (transitive) to tire out; to wear out; to cause to be without any energy
The marathon exhausted me.
- (transitive) To bring out or develop completely
- (transitive) to discuss thoroughly or completely
That subject has already been fully exhausted.
- (transitive, chemistry) To subject to the action of various solvents in order to remove all soluble substances or extractives
to exhaust a drug successively with water, alcohol, and ether
to draw or let out wholly; to drain off completely
to empty by drawing or letting out the contents
to drain, metaphorically; to wear out
exhaust (plural exhausts)
- A system consisting of the parts of an engine through which burned gases or steam are discharged; see also exhaust system.
- The steam let out of a cylinder after it has done its work there.
- The dirty air let out of a room through a register or pipe provided for the purpose.
- An exhaust pipe, especially on a motor vehicle.
- exhaust gas.
system consisting of the parts of an engine through which burned gases or steam are discharged
the steam let out of a cylinder after it has done its work there
the foul air let out of a room through a register or pipe provided for the purpose
exhaust pipe — see exhaust pipe
exhaust (not comparable)
- (obsolete) Exhausted; used up.
- exhaust in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
- exhaust in The Century Dictionary, The Century Co., New York, 1911
- “exhaust” at OneLook Dictionary Search