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inexhaustible

[in-ig-zaws-tuh-buh l]
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adjective
  1. not exhaustible; incapable of being depleted: an inexhaustible supply.
  2. untiring; tireless: an inexhaustible runner.
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Origin of inexhaustible

1595–1605; < Latin inexhaust(us) not exhausted (see in-3, exhaust) + -ible
Related formsin·ex·haust·i·bil·i·ty, in·ex·haust·i·ble·ness, nounin·ex·haust·i·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for inexhaustibility

Historical Examples

  • Not the least of the Zoological Gardens' many attractions is their inexhaustibility.

    Adventures and Enthusiasms

    E. V. Lucas

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

    The Blazed Trail

    Stewart Edward White

  • 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

inexhaustible

adjective
  1. incapable of being used up; endlessinexhaustible patience
  2. incapable or apparently incapable of becoming tired; tireless
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Derived Formsinexhaustibility 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

Word Origin and History for inexhaustibility

inexhaustible

adj.

c.1600, from in- (1) "not, opposite of" + exhaustible (see exhaust). Related: Inexhaustibly.

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Online Etymology Dictionary, © 2010 Douglas Harper