inexhaustible

The definition of inexhaustible is something that cannot be used up, or has limitless energy.

(adjective)

An example of inexhaustible is energy captured and stored from the sun.

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See inexhaustible in Webster's New World College Dictionary

adjective

that cannot be exhausted; specif.,
  1. that cannot be used up or emptied
  2. that cannot be tired out; tireless

Related Forms:

See inexhaustible in American Heritage Dictionary 4

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

Related Forms:

  • inˌex·haustˌi·bilˈi·ty, inˌex·haustˈi·ble·ness noun
  • inˌex·haustˈi·bly adverb

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