0 past simple and past participle of supersede
1 to replace something, especially something older or more old-fashioned:
Most of the old road has been superseded by the great interstate highways.
Should they insist that workers have an "affirmative" right to better work conditions, a right that superseded their employers' freedom to contract?
The essays had already been superseded by specialist treatises and by much bigger encyclopedias.
Today, however, the variable target function method has been superseded largely by the more efficient torsion angle dynamics algorithm.
It has now been superseded by other collections of data,19 but this does not diminish its earlier importance.
The prevalent view was that the concept of the equality of states as a fundamental principle of modern international law should be superseded.
But the wider socio-cultural context in which folk-song once had its place had been superseded.
The original magnitude scale served its purpose at the time, but has since been superseded by other, more physically meaningful, measurements.
Original saga characters may have been superseded or transformed into new characters, such as witches, by diabolisation.
