a. | 1. | Careful in doing; diligent; faithful; attentive. |
n. | 1. | The act of taking pains; carefulness and fidelity in performance. |
Adj. | 1. | painstaking - characterized by extreme care and great effort; "conscientious application to the work at hand"; "painstaking research"; "scrupulous attention to details" Synonyms: conscientious, scrupulous |