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 The only way to avoid False Dividend Stocks is with diligent fundamental research on cash flows. David Trainer, Forbes.com, 12 June 2025 Just doing the diligent work of piecing together a puzzle isn’t enough. Nina Metz, Chicago Tribune, 11 June 2025 Looking ahead, Kirk remains resolutely focused on strategic expansion and providing competent, communicative, and diligent legal representation to the lives of those the firm serves. Wyles Daniel, USA Today, 10 June 2025 Since the Target incident, Gregory said, Burleson-area retailers have been more diligent about keeping tabs on gift cards. Matthew Adams, Fort Worth Star-Telegram, 6 June 2025 See All Example Sentences for diligent
Recent Examples of Synonyms for diligent
Adjective
  • But the rewards – a more engaged, connected, and high-performing workforce – are well worth the investment.
    Heather V. MacArthur, Forbes.com, 2 July 2025
  • Instead, Bailey encourages today’s leaders to embrace discomfort, stay engaged, and study those who came before.
    William Jones, USA Today, 26 June 2025
Adjective
  • Called Artificial Intelligence for Managing Integrated Environmental Elements, or Aimee, the tech is meant to assist air traffic controllers at busy international hubs.
    Adrienne Bernhard, Scientific American, 10 July 2025
  • The schedule partly overlaps with the reserve’s busiest season and a time when the Coastal Commission tends to prohibit development to maximize parking and open space for public use.
    Noah Lyons, San Diego Union-Tribune, 10 July 2025
Adjective
  • 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
  • At his best, McCann does an assiduous, subtle job of twining his metaphors through everyday life.
    Katy Waldman, New Yorker, 19 May 2025
Adjective
  • State records show that Glass House holds multiple active licenses to grow cannabis.
    Martha McHardy, MSNBC Newsweek, 12 July 2025
  • These insects have been active since the end of June.
    Chris McKeown, The Enquirer, 12 July 2025
Adjective
  • In midfield, Postecoglou avoided the temptation to attempt a like-for-like replacement for Dejan Kulusevski, Lucas Bergvall and James Maddison, all of whom missed the final through injury, and instead went with Pape Matar Sarr, a more functional and industrious option.
    Elias Burke, New York Times, 22 May 2025
  • Leroy Sané was industrious in the first half, but his inability to shoot with both feet hurt him and his team overall.
    Manuel Veth, Forbes.com, 4 June 2025

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Cite this Entry

“Diligent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diligent. Accessed 15 Jul. 2025.

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