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Synonyms

diligently

American  
[dil-i-juhnt-lee] / ˈdɪl ɪ dʒənt li /

adverb

  1. with conscientious and persistent effort or attention.

    The information on this website has been carefully researched and diligently compiled.


Other Word Forms

  • nondiligently adverb
  • overdiligently adverb
  • prediligently adverb
  • undiligently adverb

Etymology

Origin of diligently

diligent ( def. ) + -ly

Explanation

Doing something diligently means doing it thoroughly and well. It's the opposite of doing it lazily or shoddily. If you are tireless, persevering, and do things with great care, then you do things diligently. This is an adverb that goes with hard and careful work. If you have a test coming up, the more diligently you review your materials, the better your grade will be. Workers who do their job diligently tend to get promoted. Some dogs diligently pursue squirrels in the park. When someone uses this word about something you've done, it's a huge compliment.

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Vocabulary lists containing diligently

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They work diligently as sparks fly from metal heated to 1,200C.

From Barron's • Apr. 3, 2026

You are diligently planning your distributions, as you have mastered the accumulation phase.

From MarketWatch • Mar. 13, 2026

Provided that these demands are diligently enforced, there are tangible benefits for everyone involved.

From Slate • Mar. 10, 2026

"Staff acted quickly, strictly following government guidance, and worked diligently to deliver teaching and student support in unprecedented circumstances," he said.

From BBC • Feb. 13, 2026

In the meantime, this fraternity of men worked diligently against all setbacks and odds to create a film respectfully representative of their brother, now gone—the man who, in their eyes, America had betrayed.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey