unapologeticadjective
uk/ˌʌn.ə.pɒl.əˈdʒet.ɪk//-pɑː.ləˈdʒet̬.ɪk/not sorry about having caused someone problems or unhappiness, even though people might expect you to be sorry:
They were very rude and completely unapologetic about it.
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