(1) They are a model of rational discourse, replete with references to the Federalist Papers and other similarly unimpeachable authorities.

(2) His track record is unimpeachable and there can be no doubt that he knows the game inside out.

(3) How can you doubt the integrity of players of unimpeachable reputation?

(4) But one unimpeachable witness in the court of history is sufficient.

(5) Its status as an unimpeachable classic - one that is even appreciated by bona fide, elbow patch-sporting intellectuals - looms large over the rest of the genre.

(6) That pitch might have been better made against a track record of unimpeachable integrity, where promises had been kept, failure openly acknowledged, and honesty had been the keynote of his government.

(7) The guys who made these selections are above reproach, they're unimpeachable , these fellows.

(8) At first just one or two publications printed material that previously would have been banned, and a few newspapers criticized what had previously been unimpeachable .

(9) I believe that any nominee for a judicial post - let's talk about the Supreme Court - ought to have unimpeachable integrity.

(10) They are unquestionable, unassailable, unimpeachable .

(11) He is almost unimpeachable because to criticise him is seen as poor form.

(12) Presumably, as the man in charge of policing local councillors' behaviour, he is a man of unimpeachable moral standards himself?

(13) They said it came from an unimpeachable source.

(14) If Scotland is to live up to its reputation as a first-rate nation, voters - and newspapers - have every right to demand unimpeachable standards from the First Minister.

(15) Here is an unassuming straight-to-video-worthy horror flick which goes about its job with unimpeachable competence, never troubling to conceal how abjectly derivative and cliched it is.

(16) It was bad enough that at the best possible time to kill this monstrous legislation, in the Commons, with unimpeachable democratic legitimacy, we failed because we couldn't be bothered to turn up.

(17) The economic evidence for moving the peak of the long Clinton expansion backwards by two or three months is dubious at best, even if the political rationale is unimpeachable .

(18) Here is a man who had an unimpeachable reputation.

(19) There's an unimpeachable identification for you.

(20) In unimpeachable academic language, those who wish to squander their talents have been presented with yet another excuse to add to the great armoury of excuses that have already gained currency.