disingenuity

plural disingenuities

1. countableuncountableSynonym of disingenuousness.

   […]it was only his Obſervation of the Diſingenuity, and want of Integrity in this Parliament, which leſſened that Reverence to it,[…]

   1702, Edward [Hyde, 1st] Earl of Clarendon, book IV, in The History of the Rebellion and Civil Wars in England, Begun in the Year 1641. […], volume I, Oxford, Oxfordshire: Printed at the [Sheldonian] Theater, page 340

   1 more example

   For example; Do you seriously believe, and mean to assert, that it is impossible for any person, even for a philosopher, to be guilty of disingenuity and falsehood, by professing to believe a sophism which he really did not[…]?

   1819, James Gregory, Letters from Dr. James Gregory of Edinburgh: In Defence of His Essay on the Difference of the Relation Between Motive and Action and that of Cause and Effect in Physics, with Replies, by Alex. Crombie, page 289

   Synonyms: disingenuousness