Related formsun·im·peach·a·bil·i·ty, un·im·peach·a·ble·ness, nounun·im·peach·a·bly, adverb
Examples from the Web for unimpeachable
Her advice, sugarcoated in goofy catchphrases, is delivered in the unimpeachable rhetoric of common sense.
Anne Sinclair was as unimpeachable as Barbara Walters, as luscious as Diane Sawyer, as authoritative as both.
In short, Ted Olson has unimpeachable conservative credentials.
“There is only one truth that is unimpeachable about health care,” Stern continued.
He said that in his experience McChrystal was a man of unimpeachable integrity.
His business was extensive—his habits mean, penurious; his credit was unlimited, as his character was unimpeachable.
In urging the merits of this machine, upon merciful considerations, his integrity was unimpeachable.Dealings With The Dead|A Sexton of the Old School
To be an "unimpeachable" wife was not to her thinking a sufficient meeting of her problem.The Tyranny of Weakness|Charles Neville Buck
The Master was unimpeachable; His terse, cogent assertions were unanswerable.Jesus the Christ|James Edward Talmage
It was a Guardsman who told me the story first, and he had it from what really was unimpeachable authority.A Padre in France|George A. Birmingham