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Definitions

tireless

[tahyuhr-lis] / ˈtaɪər lɪs /


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.

Their study, published in the Journal of Vertebrate Paleontology in July 2020, noted that the name honored "his tireless work on the Late Cretaceous paleontology of the Southeast and Eastern Seaboard, USA."

From Science Daily • Apr. 15, 2026

“In his new role as acting attorney general, Todd will continue to be a tireless advocate for sanity, law and order, and policies that keep Americans safe.”

From The Wall Street Journal • Apr. 4, 2026

Foden was tireless, but this was England's equivalent of an ill-fitting square peg in a round hole.

From BBC • Mar. 31, 2026

One of his former handlers, Romane Cristescu, said Bear had been a "tireless ambassador for koalas for a decade".

From Barron's • Mar. 25, 2026

He turned away and slipped into the water without a splash, and began to swim in his steady, tireless paddle toward the new world.

From "The Amber Spyglass" by Philip Pullman




Vocabulary lists containing tireless