Adjectives

(s)overage, overaged, superannuated, over-the-hilltoo old to be useful“He left the house...for the support of twelve superannuated wool carders” (Anthony Trollope)
(s)outdated, out-of-date, superannuated, obsoleteold; no longer valid or fashionable“obsolete words”, “an obsolete locomotive”, “outdated equipment”, “superannuated laws”, “out-of-date ideas”