Which preposition to use with disingenuous

in Occurrences 8%

Such kinds of Pleasantry are very unfair and disingenuous in Works of Criticism, in which the greatest Masters, both Ancient and Modern, have always appeared with a serious and instructive Air.

as Occurrences 1%

It was really necessary to be as disingenuous as possible, more especially with a person whose own conversation was evidently quite unguarded.

to Occurrences 1%

Both of them were apparently fair-minded, honest public servants; both in reality were subtly disingenuous to a degree beyond ordinary comprehension, for years of practise had made them sensitive to every whimsy of emotion and taught them how to play upon the psychology of the jury as the careless zephyr softly draws its melody from the aeolian harp.

with Occurrences 1%

What has he done that for?" "I fear he has been somewhat disingenuous with me on the subject.

Which preposition to use with  disingenuous