indefatigably

adverb

as in tirelessly

Related Words

Relevance

Dissimilar Words

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
  • Back home in Wilmington, Cynthia Brown built community the way her forebears had built houses—tirelessly and elegantly in the course of years.
    — Lauren Collins, New Yorker, 3 July 2026
  • For example, a sales team fixated on cold-call conversion works tirelessly to lift that number when the better move may be to retire cold-calling altogether—something the metric can only score as failure.
    — Sophie Ren, Forbes.com, 30 June 2026
Definition of tirelessly
Adverb
  • The Heat had a preliminary discussion with the representation for free agent Bradley Beal but hasn’t pursued him vigorously.
    — Barry Jackson, Miami Herald, 13 July 2026
  • The president fought the outcomes of Carroll’s cases vigorously.
    — Molly Crane-Newman, New York Daily News, 8 July 2026
Definition of vigorously
Adverb
  • 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
  • There was also a large contingent of Iranian fans who energetically waved the nation’s current flag.
    — Todd Harmonson, Oc Register, 16 June 2026
Definition of energetically

Browse Nearby Words

indefatigable
indefatigably
indefeasible
See all Nearby Words

Cite this Entry

“Indefatigably.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigably. Accessed 20 Jul. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of raffish

See Definitions and Examples »

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words
See More

Popular in Wordplay

See More

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

Why do we say 'fly off the handle'?
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
child-detective
Spot the Misspelled Word July 2026 Those little red underlines can't help you now...
See All