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

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.

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

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.

simple past tense and past participle of exhaust

Including every possible element / Fully comprehensive / (now rare) Causing exhaustion; very tiring

Very tiring.

present participle of exhaust

plural of exhaust