Synonym Chooser

How is the word diligent different from other adjectives like it?

Some common synonyms of diligent are assiduous, busy, industrious, and sedulous. While all these words mean "actively engaged or occupied," diligent suggests earnest application to some specific object or pursuit.

very diligent in her pursuit of a degree

When might assiduous be a better fit than diligent?

The meanings of assiduous and diligent largely overlap; however, assiduous stresses careful and unremitting application.

assiduous practice

When is it sensible to use busy instead of diligent?

While the synonyms busy and diligent are close in meaning, busy chiefly stresses activity as opposed to idleness or leisure.

too busy to spend time with the children

In what contexts can industrious take the place of diligent?

Although the words industrious and diligent have much in common, industrious implies characteristic or habitual devotion to work.

industrious employees

When would sedulous be a good substitute for diligent?

The words sedulous and diligent can be used in similar contexts, but sedulous implies painstaking and persevering application.

a sedulous investigation of the murder

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 diligent 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 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 Fiona found a group of people who are so ready to work, so diligent, really kind and respectful and funny and brought their own personality to it. Kate Erbland, IndieWire, 5 Sep. 2025 Both require intense concentration, in order to be any good, and diligent practice, and both make use of imagination—which in tennis takes the form of anticipation—and creativity. Thomas Swick september 5, Literary Hub, 5 Sep. 2025 See All Example Sentences for diligent
Recent Examples of Synonyms for diligent
Adjective
  • Swift, the superstar singer, and Kelce, the three-time Super Bowl champion, became engaged in August.
    Pete Grathoff, Kansas City Star, 3 Oct. 2025
  • This album is Swift’s first as an engaged woman and her first since the Eras tour concluded in December 2024.
    Lauren Brown West-Rosenthal, Parents, 3 Oct. 2025
Adjective
  • There’s no better way to bring peace to a busy weeknight, welcome a new neighbor, or be reminded of your childhood than a nostalgic comfort food.
    Melinda Salchert, Southern Living, 3 Oct. 2025
  • Good morning, it's been another busy week in Central Indiana.
    Joe Mutascio, IndyStar, 3 Oct. 2025
Adjective
  • 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
  • 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
Adjective
  • Starlink satellites to SpaceX's megaconstellation, which now totals more than 8,500 active units.
    Robert Z. Pearlman, Space.com, 29 Sep. 2025
  • This leads some landlords to cut the prices and open the doors to independent and local type businesses just to keep a plaza active and bustling.
    Kevin Williams, CNBC, 28 Sep. 2025
Adjective
  • Near the burial, archaeologists also found Roman pottery kilns that showed the domestic and industrious side of Roman Leicester, according to the release.
    Irene Wright, Miami Herald, 25 Sep. 2025
  • Negahban will play Khasekhemre, the Pharaoh, an industrious and cautious ruler of Egypt, who served as Pharaoh under the name Neferhotep I.
    Rosy Cordero, Deadline, 9 Sep. 2025

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Cite this Entry

“Diligent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diligent. Accessed 6 Oct. 2025.

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