as in diligent
involved in often constant activity
the fascinating sight of assiduous ants carrying food into the anthill
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Recent Examples of assiduous
Record sales were up, and due to his assiduous efforts, Colonel never tired of reminding Snow, all sorts of new, high-paying opportunities in radio and television were starting to open up.
—
Jem Aswad, Variety, 5 Aug. 2025
Astronomy has lost one of its most assiduous calculators of eclipses with the passing of astronomer Fred Espenak.
—Joe Rao, Space.com, 3 June 2025
Millay, an assiduous reader and enthusiastic quoter of poetry, was surely familiar with their work.
—A.o. Scott, New York Times, 1 May 2025
China has since become Zimbabwe’s largest trading partner and an assiduous supporter of the regime (and along with South Africa may have given its blessing to the recent coup).
—John Campbell, Foreign Affairs, 17 Nov. 2017
See All Example Sentences for assiduous
Jem Aswad, Variety, 5 Aug. 2025
Astronomy has lost one of its most assiduous calculators of eclipses with the passing of astronomer Fred Espenak.
—Joe Rao, Space.com, 3 June 2025
Millay, an assiduous reader and enthusiastic quoter of poetry, was surely familiar with their work.
—A.o. Scott, New York Times, 1 May 2025
China has since become Zimbabwe’s largest trading partner and an assiduous supporter of the regime (and along with South Africa may have given its blessing to the recent coup).
—John Campbell, Foreign Affairs, 17 Nov. 2017
See All Example Sentences for assiduous
Recent Examples of Synonyms for assiduous
Adjective
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For those who are still in therapy, being diligent and consistent with your treatment plan is extremely important for reducing long-term risk.—
Marnie Goodfriend,
Flow Space,
27 Oct. 2025
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Meaning, his sons balance a hearty rotation of sports and academics, but the Farrers are also diligent about working in time for volunteer projects, too.—
Maggie Menderski,
Louisville Courier Journal,
26 Oct. 2025
Adjective
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Among the engaged couples, the duo appeared to be the strongest despite early hiccups regarding lifestyle and finances.—
Giana Levy,
Variety,
22 Oct. 2025
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Unlike a movie, show, or song, reading a novel from cover to cover demands time and sustained attention to stay engaged throughout the slowest chapters and extend empathy to flawed, morally gray protagonists.—
Jenna Ryu,
SELF,
22 Oct. 2025
Adjective
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As a result, his street gets extremely busy in the weeks leading up to Halloween.—
Endia Fontanez,
AZCentral.com,
24 Oct. 2025
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Do Not Disturb will be another major moment for the 2024 Rolling Stone Future of Music digital cover star, who’s already had a busy 2025.—
Andre Gee,
Rolling Stone,
24 Oct. 2025
Cite this Entry
“Assiduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assiduous. Accessed 29 Oct. 2025.
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