Definition of unprudently in English:

unprudently

Pronunciation /(ˌ)ʌnˈpruːd(ə)ntli/

adverb

rare
  • Not prudently; = "imprudently".

Origin

Late Middle English; earliest use found in John Lydgate (c1370–c1449), poet and prior of Hatfield Regis. From un- + prudently, after unprudent.