Definition of unprudent in US English:

unprudent

adjective

rare
  • Not prudent, unwise; = "imprudent".

Origin

Late Middle English; earliest use found in The Wycliffite Bible (early version). From un- + prudent, originally after classical Latin imprūdēnt-, imprūdēns imprudent.

Pronunciation

unprudent

/(ˌ)ʌnˈpruːd(ə)nt/