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. [ 1913 Webster ]
An inexhaustible store of anecdotes. Macaulay.
-- In`ex*haust"i*ble*ness, n. -- In`ex*haust"i*bly, adv. [ 1913 Webster ]