Diligent: Meaning, Usage and Examples
What does diligent mean?
Diligent describes someone who works with sustained care and effort. A diligent learner checks an answer, notices an error and tries to understand the correction. The emphasis is on careful attention, not simply staying busy or working long hours.
Diligent and hardworking
The meanings overlap. Hardworking emphasizes effort; diligent adds the idea of care and persistence in carrying out a task. Neither word guarantees a particular result. A diligent researcher can still encounter an unanswered question.
Examples and patterns
The diligent editor checked every date against the original record.
Mira was diligent in reviewing her notes after each lesson.
Use “diligent in doing something” or “diligent about something”: “He is diligent about checking references.” The noun is diligence; the adverb is diligently.
Choose the right word
Careful, thorough and conscientious are useful related words, but their emphasis varies. Careless and negligent describe a lack of appropriate care. “Diligent” is usually positive and suits study, work and research contexts.
Check your understanding
Complete the sentence: “The team checked the figures ___ (diligent / diligently).”
Answer: Diligently. The adverb describes how the team checked the figures.
Write one sentence about a task you complete carefully. Name the task and the action that demonstrates care instead of simply calling yourself diligent.
Diligence concerns sustained effort
Diligent describes careful, persistent work. It does not promise success or mean that someone never needs help. Compare “a diligent researcher” with “The researcher checked the records diligently”: the adjective describes the person, while the adverb describes the action.
Try it: Choose a form: “The team ___ checked every reference” (diligent / diligently).
Check the explanation
Diligently. It modifies checked. Use diligent in the diligent team.
Dictionary reference: Merriam-Webster: Diligent.
FROM READING TO PRACTICE
Practise this topic
Build on this article with a connected lesson. Explore the explanation, try the examples, and check what you remember.
Fastidious
Compare skill or precision with fastidious attention to detail.
Idiom lessonLeave no stone unturned
Learn an expression for being thorough and exploring every possibility.
Grammar lessonAdjectives – Types, Order, Comparisons
Practise where adjectives go when describing people, things or situations with “diligent”.
Categories: Word of the day-2
