adj. 1.  Retired or ineffective because of advanced age: "Nothing is more tiresome than a superannuated pedagogue" (Henry Adams). 2.  Outmoded; obsolete: superannuated laws. [From Medieval Latin superannuātus, over one year old : Latin super-, super- + Latin annus, year; see  at- in the Appendix of Indo-European roots.]  | 
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