(adj) too old to be useful; - Anthony Trollope, Syn. superannuated, over-the-hill, overaged, Example:He left the house...for the support of twelve superannuated wool carders
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
v. t. [ imp. & p. p. Superannuated p. pr. & vb. n. Superannuating. ] [ Pref. super- + L. annus a year. ] 1. To impair or disquality on account of age or infirmity. Sir T. Browne. [ 1913 Webster ]
2. To give a pension to, on account of old age or other infirmity; to cause to retire from service on a pension. [ 1913 Webster ]