Functus officio is a Latin term used to describe a person who has completed their duties and no longer holds an official position. There are several synonyms that can be used for this phrase, including retired, superannuated, finished, discharged, and obsolete. A person may be considered Functus officio when they have completed their term of service in a particular role, such as a judge or a government official, or when they have retired from a job or a career. Regardless of the context in which it is used, the term Functus officio implies that a person has fulfilled their responsibilities and is now ready to move on to new endeavors.