ab‧di‧cate / æbdɪkeɪt / verb [ intransitive and transitive ]
1 to give up the position of being king or queen : King Alfonso XIII abdicated in favour of his eldest son. The king was forced to abdicate the throne . 2 abdicate (your) responsibility formal to refuse to be responsible for something, when you should be or were before : The government has largely abdicated its responsibility in dealing with housing needs.
— abdication / æbdəkeɪʃ ə n, æbdɪkeɪʃ ə n / noun [ uncountable and countable ]