Dictionary

inexhaustible

adjective in·ex·haust·ible \ˌi-nig-ˈz-stə-bəl\

: impossible to use up completely : impossible to exhaust

Full Definition of INEXHAUSTIBLE

:  not exhaustible: as
a :  incapable of being used up <inexhaustible riches>
b :  incapable of being wearied or worn out <an inexhaustible hiker>
in·ex·haust·ibil·i·ty \-ˌz-stə-ˈbi-lə-tē\ noun
in·ex·haust·ible·ness \-ˈz-stə-bəl-nəs\ noun
in·ex·haust·ibly \-blē\ adverb

Examples of INEXHAUSTIBLE

  1. The world's supply of oil is not inexhaustible.
  2. He seems to have inexhaustible energy.

First Known Use of INEXHAUSTIBLE

1601

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