- (n.) One who is impeccable; especially, one of a sect of Gnostic heretics who asserted their sinlessness.
- (a.) Not liable to sin; exempt from the possibility of doing wrong.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). impeccable. Retrieved September 20, 2026, from http://smartdefine.org/impeccable/definitions/2019451 |
| Chicago | Webster's. 2011. "impeccable" http://smartdefine.org/impeccable/definitions/2019451 (accessed September 20, 2026). |
| Harvard | Webster's 2011, impeccable, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/impeccable/definitions/2019451>. |
| MLA | Webster's. "impeccable" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/impeccable/definitions/2019451> |