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from The American HeritageĀ® Dictionary of the English Language, 4th Edition

  • intransitive v. To reach later maturity; grow old.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To grow older; reach maturity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. grow old or older


Back-formation from senescent.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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