1. retired from work due to old age or infirmity
2. outdated or obsolete due to age

Examples

• The superannuated professor enjoyed his retirement after forty years of teaching.
• Many superannuated employees received generous pension packages.
• The company’s superannuated computer system needed urgent replacement.
• His superannuated ideas about technology made him seem out of touch.
• The superannuated machinery was finally scrapped after decades of service.
• She felt superannuated in the fast-paced tech industry.
• The superannuated policies were no longer relevant to modern business practices.