well-preserved definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
in good condition or of good appearance, in spite of age
well-preserved - Phrases/Idioms
Aging gracefully, still in good condition, as in I can't believe she's 65; she's certainly well preserved. [Mid-1800s]