Simple Definition of inexhaustible
: impossible to use up completely : impossible to exhaust
Full Definition of inexhaustible
: not exhaustible: as a : incapable of being used up <inexhaustible riches> b : incapable of being wearied or worn out <an inexhaustible hiker>
Examples of inexhaustible
The world's supply of oil is not inexhaustible.
He seems to have inexhaustible energy.
First Known Use of inexhaustible
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