The Collaborative International Dictionary
Exhaustless
Exhaustless \Ex*haust"less\, a. Not be exhausted; inexhaustible; as, an exhaustless fund or store.
Wiktionary
exhaustless
a. 1 Unable to be exhausted; having an endless supply. 2 Of an automobile or similar machine, not producing exhaust; nonpolluting.
Usage examples of "exhaustless".
Their compensation becomes part of the national debt, for the liquidation of which there is the one exhaustless fund.