- (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 28, 2026, from http://smartdefine.org/diligent/definitions/1997690 |
| Chicago | Webster's. 2011. "Diligent" http://smartdefine.org/diligent/definitions/1997690 (accessed September 28, 2026). |
| Harvard | Webster's 2011, Diligent, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/diligent/definitions/1997690>. |
| MLA | Webster's. "Diligent" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/diligent/definitions/1997690> |