indefatigable

Part of speech: adverb

Indefatigably.

Part of speech: adjective

Not exhausted by labor; unflagging.

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Usage examples "indefatigable":

  1. In order that the reader may understand the drift of this conversation, it is necessary to explain that the indefatigable miner, David Trevarrow, whom we have already introduced in his submarine workshop, had, according to his plan, changed his ground, and transferred his labour to a more hopeful part of the mine. - "Deep Down, a Tale of the Cornish Mines", R.M. Ballantyne.
  2. These schools, and those examined at Parham, are under the general supervision of Mr. Charles Thwaites, an indefatigable and long tried friend of the negroes. - "The Anti-Slavery Examiner, Omnibus", American Anti-Slavery Society.
  3. These were trying days for the indefatigable secretary. - "Fire-Tongue", Sax Rohmer.