indefatigably

adverb

as in tirelessly

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of indefatigably Selling cigarettes on the street to buy food for her siblings, the pre-teen is indefatigably upbeat, eagerly anticipating an imminent passage to Germany. — Guy Lodge, Variety, 24 Jan. 2026 Matthew Restall, for example, has worked indefatigably as a myth buster for dozens of misconceptions for roughly two decades now, and only recently did another historian, Camilla Townsend, stitch together the history of the Aztecs according to their own statements, as recorded in Nahuatl. — Literary Hub, 18 Aug. 2025
Recent Examples of Synonyms for indefatigably
  1. tirelessly
  2. vigorously
  3. energetically
Adverb
  • The Dream Box itself is tribute to her original mentor and uncle, Bill Owens, who has worked tirelessly to preserve the American Chestnut tree.
    — Isabelle Farina, Variety, 27 Aug. 2026
  • The very cloth masks that Fauci, Walensky, Murthy and Zients had worked tirelessly to promote to the American people.
    — Ian Miller OutKick, FOXNews.com, 26 Aug. 2026
Definition of tirelessly
Adverb
  • Whisk vigorously until the mixture is smooth and resembles a caramel sauce.
    — ABC News, ABC News, 25 Aug. 2026
  • First, the safeguards and rules of any legislation governing college athletics must be vigorously enforceable.
    — U.S. Sen. Richard Blumenthal, Hartford Courant, 24 Aug. 2026
Definition of vigorously
Adverb
  • In what is often considered Pelechian’s magnum opus, the ancient antagonism of nature and humanity plays out in a depiction of a remote farming community, energetically scored with Armenian folk music and Vivaldi’s The Four Seasons.
    — Jill Goldsmith, Deadline, 18 Aug. 2026
  • Plenty of his peers filled the void, none more energetically than Chesney, who has by now built a beachy brand that almost rivals Buffett’s.
    — Kelefa Sanneh, New Yorker, 19 July 2026
Definition of energetically

Browse Nearby Words

indefatigable
indefatigably
indefeasible
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Cite this Entry

“Indefatigably.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigably. Accessed 30 Aug. 2026.

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