DictionarydiligentCareful and hardworking
adjective

diligent

DIL-uh-juhnt/ˈdɪlɪdʒənt/

Showing steady effort and care in one's work.

The diligent man carefully repairs the fishing net, working steadily through its remaining holes.

An older man meticulously repairs a large torn fishing net, with a substantial section of neat completed repairs beside the remaining holes.
Etymology

The pieces combine in the original idea of “picking out,” which developed into valuing or esteeming something highly. That sense led to attentiveness and care, the qualities expressed by diligent effort.

In context

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More examples

  • He is diligent about checking every invoice for errors.
  • Their diligent research helps the team avoid costly mistakes.
  • We need to be more diligent in keeping accurate records.

Forms

diligent · more diligent · most diligent

diligence noun — Steady effort and care in working.

diligently adverb — With steady effort and careful attention.

Similar words

conscientious
Emphasizes responsibility and a desire to do work correctly.
hardworking
Emphasizes sustained effort more than care or attention to detail.
thorough
Emphasizes completeness and detail rather than steady effort over time.