from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. That cannot be entirely consumed or used up: an inexhaustible supply of coal.
  • adj. Never wearying; tireless: an inexhaustible campaigner.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Impossible to exhaust; unlimited.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Incapable of being exhausted, emptied, or used up; unfailing; not to be wasted or spent

from The Century Dictionary and Cyclopedia

  • Not exhaustible; incapable of being exhausted, spent, or wearied; unfailing: as, an inexhaustible supply of water; inexhaustible patience.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. incapable of being entirely consumed or used up
  • adj. that cannot be entirely consumed or used up


in- +‎ exhaustible (Wiktionary)



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