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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.

Impressed by the tireless activists he met online, he tried to emulate them, evangelizing and writing articles on Substack.

From The Wall Street Journal • Apr. 16, 2026

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

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

Pereira was arrested in his room at an asylum hotel in Uxbridge, west London, and told officers about his "long and tireless battle with the Home Office to try to attain asylum", said the prosecutor.

From BBC • Feb. 28, 2026

The soaring red kites, with their broad and tireless wings?

From "The Unseen Guest" by Maryrose Wood




Vocabulary lists containing tireless