WordWeb Online

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 No longer valid or fashionable
   "superannuated laws"
   - outdated, out-of-date, old

1. Retire and pension (someone) because of age or physical inability
    
2. Declare to be obsolete
    
3. Become obsolete
    
4. Retire or become ineligible because of old age or infirmity

See also: noncurrent, old, superannuation

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

Encyclopedia: Superannuate