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 Kai seems like a sweet kid — a diligent server, a talented performer, loyal to Paula despite being tempted by her best friend, Olivia (played by Sydney Sweeney). Eddie Mouradian, Vulture, 7 Apr. 2025 After analyzing his journal, Cordelia was able to decipher the diligent log Wynter kept of each criminal statute and ethical code that Lilly broke while working her role at the White House, which included stealing money and securing shady contracts. Lexy Perez, The Hollywood Reporter, 24 Mar. 2025 At this point in his career, injury management is as important as prevention, and Nimmo is extremely diligent with it. Abbey Mastracco, New York Daily News, 24 Mar. 2025 Like all pitchers, he’s been very diligent on wanting to improve his game — like all great players do. Patrick Saunders, Denver Post, 27 Mar. 2025 See All Example Sentences for diligent
Recent Examples of Synonyms for diligent
Adjective
  • The findings show that those with empathic leaders are more engaged (67% versus 24%), are able to be more innovative (61% versus 13%) at work and can better balance work priorities with personal obligations (86% versus 60%).
    Maria Ross, Forbes.com, 9 Apr. 2025
  • The first: having an effective and engaged board of directors.
    Jack Fowler, National Review, 7 Apr. 2025
Adjective
  • Check-in is seamless, but the hotel has only six parking spots and availability may be limited, especially on busy weekends, so plan to park across or down the street just in case.
    Katie Kelly Bell, Forbes.com, 16 Apr. 2025
  • And while Christophe had been busy developing a national school system during his reign, under Boyer, and all subsequent presidents, such projects had to be put on hold.
    Marlene L. Daut, The Conversation, 16 Apr. 2025
Adjective
  • In any case, an assiduous pre-inspection is essential.
    Robert Ross, Robb Report, 14 Feb. 2025
  • Every song reveals new layers, showcasing not just a singer, but a true artist and assiduous researcher, constantly pushing the boundaries and discovering new ways to express the timeless journey of love.
    Mario Sesti, The Hollywood Reporter, 3 Sep. 2019
Adjective
  • These teams also check for individuals with active warrants.
    Laura Bauer, Kansas City Star, 8 Apr. 2025
  • That’s bad news for millions of people in the central and southern US dealing with active flooding and those trying to clean up in the aftermath.
    Mary Gilbert, CNN Money, 7 Apr. 2025
Adjective
  • Mir is more ambitious and industrious, having molded himself into the ideal successor to his father’s corporate leadership.
    Angie Han, The Hollywood Reporter, 5 Mar. 2025
  • Now that someone is finally acting, Democrats are pretending the bureaucracy is as industrious and virtuous as Santa’s Workshop and any dollar that gets cut means another kiddie won’t have a Christmas.
    Nolan Finley, Twin Cities, 4 Mar. 2025

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Cite this Entry

“Diligent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diligent. Accessed 21 Apr. 2025.

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