1. to retire or pension off because of age or infirmity
Usage: formal
2. to make obsolete or outdated
Usage: formal

Examples

• The company superannuates employees at age 65.
• New technology superannuates older manufacturing methods.
• The university superannuates professors who can no longer teach effectively.
• Digital cameras superannuated film photography for most consumers.
• The board voted to superannuate the aging executive.
• Modern computers superannuate typewriters in most offices.