as in engaged
involved in often constant activity
a student who has been unceasingly diligent in pursuit of a degree in mathematics
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Example Sentences
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Recent Examples of diligent
Oh-so rigid and diligent, Preston would make sure to be well-versed in literary history.
—
Lizz Schumer, PEOPLE, 7 Dec. 2025
My memories of Sean growing up are one of a respectful and a diligent child and teenager.
—Althea Legaspi, Rolling Stone, 6 Dec. 2025
After diligent repairs, the grand reopening of Heart's Desire Antiques is set for this weekend.
—Suzanne Le Mignot, CBS News, 5 Dec. 2025
These may not be dealbreakers for shoppers who are diligent about paying down their cards.
—Ryan Ermey, CNBC, 2 Dec. 2025
See All Example Sentences for diligent
Lizz Schumer, PEOPLE, 7 Dec. 2025
My memories of Sean growing up are one of a respectful and a diligent child and teenager.
—Althea Legaspi, Rolling Stone, 6 Dec. 2025
After diligent repairs, the grand reopening of Heart's Desire Antiques is set for this weekend.
—Suzanne Le Mignot, CBS News, 5 Dec. 2025
These may not be dealbreakers for shoppers who are diligent about paying down their cards.
—Ryan Ermey, CNBC, 2 Dec. 2025
See All Example Sentences for diligent
Recent Examples of Synonyms for diligent
Adjective
-
Try having a musician become engaged for that length of time.—
Karen Taylor Bass,
Billboard,
6 Nov. 2025
-
In the year since their split, Turner has gotten engaged to his new partner, Lana Sutton.—
Brenton Blanchet,
PEOPLE,
6 Nov. 2025
Adjective
-
At 40 of the country’s busiest airports, flights coming and going will be reduced by 10% this week.—
The Kim Komando Show,
FOXNews.com,
8 Nov. 2025
-
The shutdown’s ripple effects spread across nearly every part of the air travel network Friday, with the nation’s busiest airports hit hardest.—
Emma Tucker,
CNN Money,
8 Nov. 2025
Adjective
-
Displacing the ’90s boom bap and aughts brawlers of her last album is a streak of assiduous ’80s R&B exercises that foreground her gains as a vocalist more often than her gobstopping wordplay as a rapper.—
Craig Jenkins,
Vulture,
26 Sep. 2025
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Smith, a former C.E.O. of Madison Square Garden, was an assiduous, somewhat robotic character, who had been appointed four and a half years earlier to modernize the auction house, which was the oldest company listed on the New York Stock Exchange.—
Sam Knight,
New Yorker,
25 Aug. 2025
Adjective
-
Highly active world Enceladus is a highly active world, with a global, salty sub-surface ocean, believed to be the source of its heat.—
Bojan Stojkovski,
Interesting Engineering,
10 Nov. 2025
-
During inquiries, the ICO found 178 active email accounts using passwords identical or similar to those set by the organization’s IT desk when the account was activated.—
Charlotte Reck,
CNN Money,
9 Nov. 2025
Cite this Entry
“Diligent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diligent. Accessed 10 Jan. 2026.
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