irremediable /ˌi(r)rəˈmēdēəb(ə)l/ I. adjective impossible to cure or put right. II. derivatives irremediably /ˌi(r)rəˈmēdēəblē / adverb – origin late Middle English: from Latin irremediabilis, from in- ‘not’ + remediabilis ‘curable’ (from remedium ‘remedy’).
