impenitent

1. Not penitent or remorseful (synset 301748158)
   also:

   • unashamed - used of persons or their behavior; feeling no shame
   • unregenerate, unregenerated - not reformed morally or spiritually
   same as: unremorseful, unrepentant
2. Impervious to moral persuasion (synset 301964665)
   similar to: unregenerate, unregenerated - not reformed morally or spiritually

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