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
Amid this totalizing assault, the nutria’s assiduous gnawing may seem a relatively mild insult; in the state’s coastal-threat index, the nutria would come in sixth place.
—
Nathaniel Rich, Harpers Magazine, 20 Aug. 2025
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
For Britain’s prime minister, Keir Starmer, the trade deal would offer vindication for his assiduous cultivation of Mr. Trump.
—Ana Swanson, New York Times, 8 May 2025
See All Example Sentences for assiduous
Nathaniel Rich, Harpers Magazine, 20 Aug. 2025
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
For Britain’s prime minister, Keir Starmer, the trade deal would offer vindication for his assiduous cultivation of Mr. Trump.
—Ana Swanson, New York Times, 8 May 2025
See All Example Sentences for assiduous
Recent Examples of Synonyms for assiduous
Adjective
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This suspect has now been stopped in his tracks because of the diligent and tenacious work done by investigators at both the Los Angeles Police Department and the Los Angeles County Sheriff's Department.—
Meredith Deliso,
ABC News,
8 Sep. 2025
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The researchers concluded that, especially in relatively dense neighborhoods, even if residents take diligent action in defense of their own houses, that may not matter much if their neighbors don’t.—
Ethan Baron,
Mercury News,
7 Sep. 2025
Adjective
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Entrepreneurs who report higher well-being are more engaged in their businesses, thereby fueling their incentive to grow their ventures.—
Samantha Dewalt,
Fortune,
12 Sep. 2025
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The majority of commenters agreed that the engaged couple were not in the wrong and that the in-laws were overreacting and being too sensitive.—
Erin Clack,
PEOPLE,
11 Sep. 2025
Adjective
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It's been a busy week for the European technology sector.—
Ryan Browne,
CNBC,
12 Sep. 2025
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The seven people killed by the explosions are believed to have been working for Devastating Pyrotechnics in the busy days ahead of a string of shows scheduled on and around the Fourth of July.—
Jake Goodrick,
Sacbee.com,
12 Sep. 2025
Cite this Entry
“Assiduous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/assiduous. Accessed 14 Sep. 2025.
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