tr.v. su·per·an·nu·at·ed, su·per·an·nu·at·ing, su·per·an·nu·ates
1. To retire (someone) on a pension because of age or infirmity.
2. To set aside or discard as old-fashioned or obsolete.
[Back-formation from SUPERANNUATED.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.