1. Too old to be useful
   "He left the house … for the support of twelve superannuated wool carders";
   - overage, overaged, over-the-hill
    
2. No longer current or applicable
   "superannuated regulations from the previous century";
   - outdated, out-of-date, obsolete, old

1. Retire and pension (someone) because of age or physical inability
   "The company superannuated several long-time employees who had reached retirement age"
    
2. Declare to be obsolete
   "The company superannuated the old software system"
    
3. Become obsolete
   "This technology will soon superannuate"
    
4. Retire or become ineligible because of old age or infirmity
   "The company superannuated employees at age 65"

See also: noncurrent, old

Type of: adjudge, change, declare, hold, retire

Encyclopedia: Superannuated