Adjective : unimpeachable motives.    From Dictionary.com. 

It's unimpeachably the best con I've ever attended.    From Wordnik.com.  [Kenneth Hite's Journal] Reference

Hitchens quotes the unimpeachably radical William Hazlitt as saying.    From Wordnik.com.  [Conor Cruise O'Brien and Edmund Burke] Reference

I've known superb lawyers who are also unimpeachably decent human beings.    From Wordnik.com.  [Can't you feel 'em circlin', honey (Jack Bog's Blog)] Reference

Katherine would be appreciative and intelligent and unimpeachably cordial to him.    From Wordnik.com.  [The Dog of the Marriage] Reference

Inventing a clever but unimpeachably simple cover story had been easier than he had expected.    From Wordnik.com.  [Harbinger] Reference

They wouldn't have to, of course, because Georgia was so assumed to be unimpeachably Russia's.    From Wordnik.com.  [Finally, a post about Georgia.] Reference

Craveri's references to recent scholarship are unimpeachably post-Freudian and even, maybe, post-Foucauldian.    From Wordnik.com.  [All About Eve] Reference

We hate to think what might end up epitomizing the '90s, but the unimpeachably cool Metallica will do for now.    From Wordnik.com.  [All I Want For Christmas...] Reference

Wright says his priority was to show the troops as they were: bawdy, irreverent, and unimpeachably professional.    From Wordnik.com.  [Fanfair: Culture and Celebrity] Reference

On the one hand, Rohan Maitzen's comments about the nature of "academic criticism" seem to me unimpeachably correct.    From Wordnik.com.  [Principles of Literary Criticism] Reference

Were this administration less unimpeachably pure, some might look askance at this kind of request from the Mayor's office.    From Wordnik.com.  [Help Send Kate Oliver to Cannes!] Reference

To them, the ends will always justify the means because the ends – our national interests – are always unimpeachably “good.”.    From Wordnik.com.  [Think Progress » ABC confirms secret prisons.] Reference

Migration Watch has been unimpeachably respectable and with his connection to the Galton Institute Professor Coleman has made a mistake.    From Wordnik.com.  [Archive 2007-03-04] Reference

I thought anyone seeing him for the first time would be entirely convinced that not just was he a brave man but he had been, and would be again, an unimpeachably good father.    From Wordnik.com.  [The Lake House]

Four, five, six, my hands shaking because this was unimpeachably where the Black Dahlia was butchered, shaking so hard I couldn't transfer the other set of latents to plates.    From Wordnik.com.  [White Jazz]

Now he's just sort of there, wrestling with the old problems in a way that is undoubtedly less exciting than when he was lurking inspirationally, unimpeachably, on the outside.    From Wordnik.com.  [Has Kenny Dalglish taken Liverpool as far as he can?| Barney Ronay] Reference

"I ate it up," was the reply, unimpeachably honest.    From Wordnik.com.  [Smoke Bellew] Reference

Ladies and gentlemen, we present the unimpeachably ugly.    From Wordnik.com.  [The Red Ferret Journal - gadgets, cool sites, freeware and tech trivia] Reference

In all he did, he was cautious, measured, unimpeachably correct.    From Wordnik.com.  [The End of General Gordon: Paras. 67-99] Reference

German and Swedish heretics against the unimpeachably orthodox Austria.    From Wordnik.com.  [An Introduction to the History of Western Europe] Reference

It's difficult for one to think of an unimpeachably honest public figure today.    From Wordnik.com.  [Crosswalk.com - Home] Reference

At least one unimpeachably good thing has come out of the project, however: Brad Borne's.    From Wordnik.com.  [linkfilter.net - fresh links] Reference

Yet barring some huge natural disaster, Allstate appears unimpeachably to be on the mend.    From Wordnik.com.  [SmartMoney.com] Reference

Fiercely intelligent, sexually irresistible and unimpeachably elite paragons of wisdom and wit.    From Wordnik.com.  [The Atheist Experience] Reference

Indeed, Portman is so unimpeachably virtuous that any potential will-they-won't-they tension vanishes.    From Wordnik.com.  [The Independent - Frontpage RSS Feed] Reference

Very excitable, he despised and deceived most of the masters; among his friends he was unimpeachably loyal.    From Wordnik.com.  [The Loom of Youth] Reference

He is unimpeachably democratic when it comes to outraging either end, and the middle, of the political spectrum.    From Wordnik.com.  [Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph] Reference

Yet Miss Quisanté laughed, as a man's relatives often will although the rest of the world is unimpeachably grave.    From Wordnik.com.  [Quisanté] Reference

It is at least certain that in them Rousseau lost two of the most unimpeachably good friends that he ever possessed.    From Wordnik.com.  [Rousseau]

Look Out, Hooligans! because while the hooligans are the product of their own choices, the kids are unimpeachably innocent.    From Wordnik.com.  [DVD Times] Reference

The few cardinals who have published books with lay writers have chosen unimpeachably orthodox Catholic journalists or academics.    From Wordnik.com.  [The Guardian World News] Reference

Bateman found them "thoroughly and unimpeachably honest, brave to foolhardiness, and faithful to each other and to their superiors.".    From Wordnik.com.  [The Negro] Reference