a. | 1. | Constant in application or attention; devoted; attentive; unremitting. |
2. | Performed with constant diligence or attention; unremitting; persistent; |
Adj. | 1. | assiduous - marked by care and persistent effort; "her assiduous attempts to learn French"; "assiduous research"; "sedulous pursuit of legal and moral principles" Synonyms: sedulous |