[dahy-nuh-stee; British also din-uh-stee]
noun, plural dy·nas·ties.
  1. a sequence of rulers from the same family, stock, or group: the Ming dynasty.
  2. the rule of such a sequence.
  3. a series of members of a family who are distinguished for their success, wealth, etc.

Origin of dynasty

1425–75; late Middle English < Late Latin dynastīa < Greek dynasteia. See dynast, -y3
Related formsdy·nas·tic [dahy-nas-tik; British also dih-nas-tik] /daɪˈnæs tɪk; British also dɪˈnæs tɪk/, dy·nas·ti·cal, adjectivedy·nas·ti·cal·ly, adverban·ti·dy·nas·tic, adjectivean·ti·dy·nas·ti·cal, adjectivean·ti·dy·nas·ti·cal·ly, adverban·ti·dy·nas·ty, adjectivenon·dy·nas·tic, adjectivenon·dy·nas·ti·cal, adjectivenon·dy·nas·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for dynastic


noun plural -ties
  1. a sequence of hereditary rulersan Egyptian dynasty
  2. any sequence of powerful leaders of the same familythe Kennedy dynasty
Derived Formsdynastic (dɪˈnæstɪk) or dynastical, adjectivedynastically, adverb

Word Origin for dynasty

C15: via Late Latin from Greek dunasteia, from dunastēs dynast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for dynastic

1800; see dynasty + -ic.



mid-15c. (earlier dynastia, late 14c.), from Middle French dynastie and directly from Late Latin dynastia, from Greek dynasteia "power, lordship, sovereignty," from dynastes "ruler, chief," from dynasthai "have power."

Online Etymology Dictionary, © 2010 Douglas Harper