Renounce/rɪˈnaʊns/ Definition 1 of 3Pro Tip 1/3Final Decision Use 'renounce' when someone makes a strong, often public decision to give something up. After years of discovery, he renounced his noble title. Pro Tip 2/3Irrevocable Action 'Renounce' implies a definitive and often irreversible action. Once she renounced her inheritance, there was no going back. Pro Tip 3/3Public Statement The act of renouncing is frequently done publicly, in front of witnesses or via official statement. He renounced his position at the press conference.