There are a few phrases that can be used as synonyms for 'give up the throne' depending on the context. 'Abdicate the throne' is one of the most common synonyms, often used to describe the voluntary resignation of a monarch or ruler. 'Step down from the throne' is another common phrase used to indicate the relinquishing of power by a reigning monarch. 'Renounce the throne' is also used at times to describe the process of giving up royal power or titles. Other phrases might include 'abdicate the crown', 'retire from the throne', or 'relinquish the sceptre'. Whatever the phrasing, the act of giving up a throne or reign is usually a significant event in history that marks an end of an era and the beginning of a new one.