diligent
Definitions
Having or showing care and conscientiousness in one's work or duties.
Characterized by steady, earnest, and energetic effort.
Examples
The diligent student spent hours every evening reviewing her notes to ensure she understood the material.
Through diligent research and careful planning, the team was able to complete the project ahead of schedule.
He is a diligent worker who never leaves a task unfinished, no matter how difficult it may be.
Synonyms
industrious assiduous sedulous persevering conscientious tireless meticulous