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Definitions

indefatigable

[in-di-fat-i-guh-buhl] / ˌɪn dɪˈfæt ɪ gə bəl /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But an indefatigable Volkanovski's agility and relentless striking eventually wore down his flagging challenger, who was unable to land a knockout in the final round.

From Barron's • Feb. 1, 2026

The thrill of seeing a fearless, indefatigable performer single-handedly populate the stage with the myriad figures of this masterwork never lets up.

From Los Angeles Times • Jan. 25, 2026

That’s appropriate, given that this is the 20th anniversary of Beth Morrison Projects, whose principal is the pioneering co-founder and now sole producer of Prototype, and an indefatigable champion of new, unconventional operas.

From The Wall Street Journal • Jan. 12, 2026

It also said he was "indefatigable to the end" and "driven by relentless curiosity and a deep attention to the present and to people".

From BBC • Sep. 4, 2025

The one who never complained, not even of thirst, was Sebastian Gomez, who seemed as indefatigable as Miguel, even though he was twice his age and looked tubercular.

From "The House of the Spirits: A Novel" by Isabel Allende