characterized by care and perseverance in carrying out tasks; "a diligent detective investigates all clues"; "a diligent search of the files"
quietly and steadily persevering especially in detail or exactness; "a diligent (or patient) worker"; "with persevering (or patient) industry she revived the failing business"
devoted to a cause or ideal or purpose; "a dedicated dancer"; "dedicated teachers"; "dedicated to the proposition that all men are created equal"- A.Lincoln