- (a.) Prosecuted with careful attention and effort; careful; painstaking; not careless or negligent.
- (a.) Interestedly and perseveringly attentive; steady and earnest in application to a subject or pursuit; assiduous; industrious.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). diligent. Retrieved September 20, 2026, from http://smartdefine.org/diligent/definitions/1997690 |
| Chicago | Webster's. 2011. "diligent" http://smartdefine.org/diligent/definitions/1997690 (accessed September 20, 2026). |
| Harvard | Webster's 2011, diligent, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/diligent/definitions/1997690>. |
| MLA | Webster's. "diligent" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/diligent/definitions/1997690> |