1382. Wyclif, Mark vii. 18. So and ȝe ben vnprudent, or vnwyse.
1395. Purvey, Remonstr. (1851), 119. In this vnprudent geuinge [of the Sacrament].
141220. Lydg., Chron. Troy, I. 3650. For to provide þei ben graceles, Ful vnprudent and wilful rekeles.
1611. Speed, Hist. Gt. Brit., IX. xi. 555/2. Peirs, to establish his interest in the vnprudent Prince, filled the Court with buffons.