Diligent means putting in a lot of effort, time, and attention to make sure something is done well.

When to use it

"Diligent" is used to describe someone who is very careful and hard-working in everything they do. This person is dedicated to completing tasks to the best of their ability and consistently puts in a great deal of effort. A diligent person is also very responsible and reliable, ensuring that their work is always completed on time and to a high standard.

For example, a student who studies diligently will spend many hours each day reviewing their class materials and preparing for exams. A diligent employee will put in extra effort and work hard to ensure that their projects are completed on time and to the best of their ability.

Example sentences

  1. The student was diligent in completing her homework every night.
  2. The employee was always praised for his diligent work ethic.
  3. The gardener was diligent in keeping the lawn neat and tidy.
  4. The athlete trained diligently for months leading up to the competition.
  5. The writer diligently revised her manuscript until it was perfect.
  6. The researcher conducted diligent experiments to ensure accurate results.
  7. The chef was diligent in preparing a delicious meal for his guests.
  8. The doctor was diligent in providing the best care possible for her patients.
  9. The volunteer worked diligently to clean up the local park.
  10. The teacher was diligent in helping her students understand complex concepts.

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Reference:

Definition of DILIGENT
characterized by steady, earnest, and energetic effort : painstaking… See the full definition
diligent
1. careful and using a lot of effort: 2. done in a careful and detailed way…

https://www.vocabulary.com/dictionary/diligent