The point of complete depletion, of the state of being used up. / Supreme tiredness; having exhausted energy.

plural of exhaustion

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.

(obsolete) Exhausted; used up.

(transitive) To draw or let out wholly; to drain off completely (:liquid) / (transitive) To empty by drawing or letting out the contents

present participle of exhaust

Very tiring.

Third-person singular simple present indicative form of exhaust

plural of exhaust

Very tired; in a state of exhaustion. / Depleted of resources. / (sciences, now historical) Emptied of contents, especially of air; that has been made into a vacuum.