indefatigable

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

Mr. Dooley is also a discerning and indefatigable researcher.

From The Wall Street Journal • Jan. 21, 2026

Tony Doherty, chair of the Bloody Sunday Trust, said: "This day is a tribute to the strength of the families, whose indefatigable campaign for justice has made this happen."

From BBC • Sep. 15, 2025

They deserve our support, as do a slew of writers, such as the indefatigable Heather Cox Richardson and Ruth Ben-Ghiat, who publish via Substack.

From Salon • Jul. 5, 2025

The women were courageous, persistent, enthusiastic, indefatigable, and their protest against passes set a standard for antig;ovemment protest that was never equaled.

From "Long Walk to Freedom" by Nelson Mandela