[verb] [T] [formal] - to say formally or publicly that you no longer own, support, believe in or have a connection with (something)Her ex-husband renounced his claim to the family house.Gandhi renounced the use of violence.She renounced family and country for a life of adventure abroad.
RENOUNCE
Meaning of RENOUNCE in English
Cambridge English vocab. Кембриджский английский словарь. 2012