adjective
- Beyond doubt or reproach.
- usage: "an unimpeachable source"
- Free of guilt; not subject to blame.
- usage: "has lived a blameless life"; "of irreproachable character"; "an unimpeachable reputation"
- synonyms: blameless, inculpable, irreproachable
- Completely acceptable; not open to exception or reproach.
- usage: "two unexceptionable witnesses"; "a judge's ethics should be unexceptionable"
- synonyms: unexceptionable
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). unimpeachable. Retrieved September 22, 2026, from http://smartdefine.org/unimpeachable/definitions/1186769 |
| Chicago | WordNet. 2010. "unimpeachable" http://smartdefine.org/unimpeachable/definitions/1186769 (accessed September 22, 2026). |
| Harvard | WordNet 2010, unimpeachable, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/unimpeachable/definitions/1186769>. |
| MLA | WordNet. "unimpeachable" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/unimpeachable/definitions/1186769> |