unimpeachable
1 of 1adjective/ˌʌnɪmˈpitʃəbl̩/
Forms:more unimpeachable,most unimpeachable
1
reliable and true to the point of being unquestionable
- The historian's records were considered unimpeachable, providing a solid foundation for the research.
- The accuracy of the data was unimpeachable, leaving no room for doubt.
- The witnesses' unimpeachable testimony convinced the jury of the defendant's innocence.
2
honorable and honest to the point of becoming impossible to criticize, question, or blame
- Her unimpeachable conduct in the workplace earned her the admiration of all her colleagues.
- She maintained an unimpeachable standard of ethics throughout her career.
- His unimpeachable motives were evident in all of his charitable work.
- The organization’s unimpeachable track record in transparency won it widespread trust.
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3
completely acceptable; not open to exception or reproach
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