inexhaustible

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

adjective

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, noun in·ex·haust·i·bly, adverb

Example sentences 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

inexhaustible
/ (ˌɪnɪɡˈzɔːstəbəl) /

adjective

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

Derived forms of inexhaustible

inexhaustibility or inexhaustibleness, noun inexhaustibly, adverb