a. [UN-1 7 and 5 b.] Incapable of conversion (in various senses); inconvertible.

1

1695.  Congreve, Love for L., IV. xii. Ill stars, and unconvertible ignorance attend him!

2

1805.  Ann. Rev., III. 622. The Mohammedans have been found unconvertible for this plain reason.

3

1864.  Bowen, Logic, v. 139. Unconvertible are A and B.

4

  Hence Unconvertibility.

5

1804.  Southey, Lett. (1856), I. 285. That the common opinion of the unconvertibility of this people is ill-founded.

6