Definition of unpenitent in English:

unpenitent

adjective

rare
  • Not penitent; unrepentant.

noun

rare
  • With the and plural concord: unpenitent people as a class. Also as a count noun: an unpenitent person.

Origin

Mid 16th century; earliest use found in John Rastell. From un- + penitent, after post-classical Latin impaenitent-, impaenitens impenitent.

Pronunciation

unpenitent

/(ˌ)ʌnˈpɛnɪt(ə)nt/