To subject to the action of various solvents in order to remove all soluble substances or extractives; as, to exhaust a drug successively with water, alcohol, and ether
To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject
To drain, metaphorically; to use or expend wholly, or till the supply comes to an end; to deprive wholly of strength; to use up; to weary or tire out; to wear out; as, to exhaust one's strength, patience, or resources
A decrepit, exhausted old man at fifty-five. --Motley.
The foul air let out of a room through a register or pipe provided for the purpose
If you have exhausted a subject or topic, you have talked about it so much that there is nothing more to say about it. She and Chantal must have exhausted the subject of babies and clothes
Exhaust is the gas or steam that is produced when the engine of a vehicle is running. the exhaust from a car engine The city's streets are filthy and choked with exhaust fumes
A point in time at which the quantity of telephone numbers within an existing area code equals zero
Gaseous by-products of combustion emitted from an engine Exhaust flows from the engine, through the muffler and exits from the exhaust system