nonagenarian

  1. Noun.  One who is between the age of 90 and 99, inclusive. One who is in his or her tenth decade.
  2. Adjective.  Being between the age of 90 and 99, inclusive. In one's tenth decade.
  3. Adjective.  Of or relating to a nonagenarian.

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This entry was last updated on RefTopia from its source on 3/20/2012.