abdicationEnglishOxford New American Dictionaryabdication /ˌabdəˈkāSH(ə)n, ˌæbdəˈkeɪʃ(ə)n / ▸ noun 1 an act of abdicating or renouncing the throne: Edward VIII did not marry until after his abdication. 2 failure to fulfill a responsibility or duty: we are witnessing an abdication of responsibility on the part of state governments.