1650. Milton, Eikon. (ed. 2), xxviii. 224. [This] were the most unwise and unprudential act as to civil goverment.
1685. D. Granville, Lett. (Surtees, No. 37), 198. I thought it not unprudentiall so to do.
a. 1832. Bentham, Deontol. (1834), II. 101. Of evil contingent on prudential or unprudential conduct.