Definitions of superannuated:

• adjective:   discharged as too old for use or work; especially with a pension

  Example: "A superannuated civil servant"

• adjective:   too old to be useful

  Example: "He left the house...for the support of twelve superannuated wool carders- Anthony Trollope"

• adjective:   old; no longer in use or valid or fashionable

  Example: "Superannuated laws"