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adjective

indefatigable

persisting tirelessly

In a sentence

Six example sentences with indefatigable, each labelled with its topic.

  • Her indefatigable training partner arrives at five every morning, and has not missed a session in three winters.

    Fitness

  • The ward's indefatigable night nurse checked every bed twice an hour and still had energy to reassure the families.

    Medicine

  • An indefatigable clerk copied the entire archive by hand over eleven years, stopping only when his eyesight failed.

    History

  • The indefatigable founder answered support tickets herself at two in the morning for the first eighteen months.

    Startups

  • An indefatigable campaigner, she knocked on every door in the district twice before the polls opened.

    Politics

  • The indefatigable volunteers replanted the dune grass every spring for a decade until the beach finally held.

    Environment

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Found in these word lists

Found in 6 published word listsRecognized

Each source is a published word list that contains indefatigable. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.