In older use (1517th c.) chiefly in the sense of undecided, unsettled: see DISCUSS v. 4.
c. 1340. Richard Rolle of Hampole, Prick of Conscience, 5697. Þe lest thoghtes þat thurgh use had yhe In þe dome sal noght undiscussed be.
1439. Rolls of Parlt., V. 17/1. Which Assise hangyng undiscussed, ye same Phelip desired often tymes [etc.].
a. 1513. Fabyan, Chron., V. cxvi. 90. Not without great stryfe had atwene hym and his sayde vncle, whereof at this day some deale was vndiscussyd.
15679. Jewel, Def. Apol. (1611), 458. This matter notwithstanding it had beene much beaten thorow the world, yet lay still vndiscussed.
1610. Healey, St. Aug. Citie of God, 561. This question wee touched at in our third booke, but left it undiscussed.
1643. Prynne, Sov. Power Parl., I. (ed. 2), 31. That the Parliament should not depart so long as any Petition hangeth undiscussed or undecided.
[1775. Ash.]
1818. Cobbett, Resid. U.S. (1819), 294. There remains a very important part of the subject yet undiscussed.
1898. S. Evans, Holy Graal, 30. The momentous question of Cistercian privilege in case of Interdict, discussed and settled long since in the case of Languedoc, was left undiscussed and unsettled in the case of any other country.