inexhaustible
Inexhaustible (adjective) means So large or endless that it seems impossible to use up. Example: “Solar power once seemed like an inexhaustible source of energy.”
How to use inexhaustible
Learner’s notesIn plain EnglishNever running out, however much you use it.
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Solar power once seemed like an _____ source of energy.
Etymology
From in- + exhaustible, from exhaust, ultimately from Latin exhaurire, "to drain out."
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Rhymes for inexhaustible
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