[ ˌsu:pər'anjʊeɪt ]
■ verb
1》 retire with a pension.
↘[as adjective ~d ] belonging to a superannuation scheme.
2》 [as adjective ~d ] too old or outdated to be effective or useful.
Derivatives
superannuable adjective
Origin
C17: from med. L. superannuatus , from L. super- 'over' + annus 'year'.