c. 1630. Sanderson, Serm. (1681), 307. The weakness, frailty, and unsuccessfulness of mens devices.
1687. Boyle, Martyrd. Theodora, ix. 171. The unsuccesfulness he had hitherto met with in his attempt.
1742. Johnsons Debates (1787), II. 107. The unsuccessfulness of their endeavours.
1761. Sterne, Tr. Shandy, IV. vi. When recollecting the unsuccessfulness of his first effort in that attitude.
1837. Carlyle, Fr. Rev., III. IV. vi. Custine was found guilty of one thing, unsuccessfulness.