abdication /ˌæb.dəˈkeɪ.ʃən/ noun5 •The act of abdicating; the renunciation of a high office, dignity, or trust, by its holder. •The voluntary renunciation of sovereign power. •(no longer used) The renunciation of interest in a property or a legal claim; abandonment. •(no longer used) The action of being deposed from the seat of power. •(no longer used) The act of disowning or disinheriting a child. formsabdications