Thesaurus

indefatigable

adjective

Synonyms & Antonyms of indefatigable

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The first known use of indefatigable was in 1608

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“Indefatigable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigable. Accessed 27 Oct. 2020.

More from Merriam-Webster on indefatigable

Dictionary: Definition of indefatigable

Nglish: Translation of indefatigable for Spanish Speakers

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