Superannuated has the synonyms outdated, outmoded, old-fashioned, or antiquated.
A synonym of superannuated is ancient.
At the age of 70 years, my grandfather was superannuated from the Army.
A contemporary or modern antonym of superannuated could be "current" or "contemporary."
very old
The superannuated man was indignant because he felt that he could still perform a good day's work.
The horse-drawn trolley is a superannuated form of transportation that is used in few parts of the world. Modern horror stories are often based on the superannuated belief in mythical creatures with magical or supernatural powers.
If something is superannuated, it means it is outdated or obsolete due to being old-fashioned or no longer useful in contemporary settings.
aged superannuated
dated, antiquated, outdated, old
Someone who is superannuated is considered as retired or obsolete, especially in terms of no longer being useful or effective in their job or profession.
When someone is superannuated, it means they have reached the age at which they are eligible to receive a pension, typically from a retirement plan or social security system. It generally implies that they have retired from their career or profession.
superannuated