Synonyms of diligent

Adjective

1. diligent, persevering, patient (vs. impatient)

usage: quietly and steadily persevering especially in detail or exactness; "a diligent (or patient) worker"; "with persevering (or patient) industry she revived the failing business"

2. diligent (vs. negligent), assiduous, sedulous, hardworking, industrious, tireless, untiring, busy, careful

usage: characterized by care and perseverance in carrying out tasks; "a diligent detective investigates all clues"; "a diligent search of the files"

Definition and meaning of diligent (Dictionary)