[UN-2 3.] trans. To cease to know, to forget (what one has known). Also absol.
a. 1586. Sidney, Arcadia, III. v. She … rather wished to unknowe what she knewe, then to burden her hart with more hopeles knowledge.
1627. S. Ward, Happiness of Practice, 31. Such … shall soone vnknow that which they know [to be good].
1697. J. Sergeant, Solid Philos., b 2. His Method of Unknowing all that Nature had taught him.
1782. Paine, Lett. Abbé Raynel (1791), 50. There is no possibility … of the mind unknowing any thing it already knows.
1859. I. Taylor, Logic in Theol., 270. Unless I might unknow what I have come to know.
1865. J. Grote, Explor. Philos., I. 243. We have got to unsee and unknow much further back than this, if [etc.].
