adjective
- showing careful and persistent work or effort
Examples
- She was a diligent student who always completed her homework on time.
- The diligent worker stayed late to finish the project.
- After diligent research, the scientist made an important discovery.
- He made diligent efforts to improve his writing skills.
- The detective conducted a diligent investigation of the crime scene.
- Diligent practice helped her master the piano piece.