† Unsoluble

a. Obs. [UN-¹ 7, 5 b.] Insoluble; fig. unanswerable, irrefutable.

1

1559. Aylmer, Harborowe, K 3 b. I do not vrge this, as an vnsoluble reason.

2

1587. Golding, De Mornay, x. 170. Let us conclude … by vnsoluble reasons … that God … did in deede create the World of nothing.

3

1756. F. Home, Exper. Bleaching, 279. By the … influence of the air, it [sc. lime] becomes an unsoluble earth.

4