Ex·haust v. t. [imp. & p. p. Exhausted; p. pr. & vb. n. Exhausting.]
1. To draw or let out wholly; to drain off completely; as, to exhaust the water of a well; the moisture of the earth is exhausted by evaporation.
2. To empty by drawing or letting out the contents; as, to exhaust a well, or a treasury.
3. 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.
4. To bring out or develop completely; to discuss thoroughly; as, to exhaust a subject.
5. Chem. 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.
Exhausted receiver. Physics See under Receiver.
Syn: -- To spend; consume; tire out; weary.
Ex·haust·ing, a. Producing exhaustion; as, exhausting labors. -- Ex*haust*ing, adv.
adj 1: having a debilitating effect; "an exhausting job in the hot
sun" [syn: draining]
2: producing exhaustion; "an exhausting march"; "the visit was
especially wearing" [syn: tiring, wearing, wearying]