a. (UN-1 7 b.)
1784. Cowper, Task, IV. 676. Merchants, unimpeachable of sin Against the charities of domestic life.
1794. Burke, Sp. Acts Uniformity, Wks. 1842, II. 465. The unimpeachable integrity and piety of many of the promoters of this petition.
1830. Miss Mitford, Village, Ser. IV. 189. He could … take Harry’s dinner to the same place with unimpeachable honesty.
1848. Dickens, Dombey, iv. Seeing what time it is by the unimpeachable chronometer.
1864. Bowen, Logic, xii. 392. The testimony of one unimpeachable witness.
Hence Unimpeachableness. Also Unimpeachably adv.
1817. Godwin, Mandev., III. 188. The insinuations they threw out against the *unimpeachableness of his motives.
1866. Geo. Eliot, F. Holt, iv. Mrs. Holt was not given to tears; she was much sustained by conscious unimpeachableness.
1821. Lamb, Confess. Delamore, Wks. 1908, I. 266. For more than five centuries, the current of our blood hath flowed *unimpeachably.
1883. Manch. Exam., 22 Dec., 5. The jury were aided by a luminous and unimpeachably fair summing up.
