Adjective impenitent has 2 senses
  1. impenitent, unrepentant, unremorseful - not penitent or remorseful
    Antonyms: penitent, repentant, contrite, remorseful, rueful, ruthful, sorry, penitential
  2. impenitent - impervious to moral persuasion
    Antonym:
    regenerate (indirect, via unregenerate)
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