[ in-ig-zaws-tuh-buh l ]
/ ˌɪn ɪgˈzɔs tə bəl /


not exhaustible; incapable of being depleted: an inexhaustible supply.
untiring; tireless: an inexhaustible runner.

Origin of inexhaustible

1595–1605; < Latin inexhaust(us) not exhausted (see in-3, exhaust) + -ible

OTHER WORDS FROM inexhaustible

in·ex·haust·i·bil·i·ty, in·ex·haust·i·ble·ness, nounin·ex·haust·i·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for inexhaustibility

  • Furthermore, at that period, a great deal of talk was believed as to the inexhaustibility of Michigan pine.

    The Blazed Trail|Stewart Edward White
  • Not the least of the Zoological Gardens' many attractions is their inexhaustibility.

  • He felt a sense of reliance as upon an inexhaustibility of goodness in another soul.

    The Portion of Labor|Mary E. Wilkins Freeman

British Dictionary definitions for inexhaustibility

/ (ˌɪnɪɡˈzɔːstəbəl) /


incapable of being used up; endlessinexhaustible patience
incapable or apparently incapable of becoming tired; tireless

Derived forms of inexhaustible

inexhaustibility or inexhaustibleness, nouninexhaustibly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012