a. | 1. | Incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent; |
Adj. | 1. | inexhaustible - that cannot be entirely consumed or used up; "an inexhaustible supply of coal" Synonyms: unlimited |
2. | inexhaustible - incapable of being entirely consumed or used up; "an inexhaustible supply of coal" Antonyms: exhaustible - capable of being used up |