Adj. | 1. | diligent - quietly and steadily persevering especially in detail or exactness; "a diligent (or patient) worker"; "with persevering (or patient) industry she revived the failing business" Synonyms: persevering |
2. | diligent - characterized by care and perseverence in carrying out tasks; "a diligent detective investigates all clues"; "a diligent search of the files" Antonyms: negligent - characterized by neglect and undue lack of concern; "negligent parents"; "negligent of detail"; "negligent in his correspondence" |