Inexhaustible

Part of speech: adjective (a.)

Incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent; as, inexhaustible stores of provisions; an inexhaustible stock of elegant words. Dryden. An inexhaustible store of anecdotes. Macaulay. -- In`ex*haust"i*ble*ness, n. -- In`ex*haust"i*bly, adv.