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[ob-stuh-nuh-see] /ˈɒb stə nə si/
noun, plural obstinacies for 5.
the quality or state of being obstinate; stubbornness.
unyielding or stubborn adherence to one's purpose, opinion, etc.
stubborn persistence:
The garrison fought on with incredible obstinacy.
resistance to cure, relief, or treatment, as a disease.
an instance of being obstinate; an obstinate act, viewpoint, etc.
Origin of obstinacy
1350-1400; Middle English < Medieval Latin obstinātia, derivative of Latin obstinātus (see obstinate); see -cy Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for obstinacy
Contemporary Examples
Historical Examples
  • As to the rest, you have by your obstinacy put it out of my power to do any thing for you.

    Clarissa, Volume 1 (of 9) Samuel Richardson
  • And Mr. Solmes can't help your obstinacy: let that be observed too.

    Clarissa, Volume 1 (of 9) Samuel Richardson
  • When your obstinacy is equal to any other person's passion, blame not your brother.

    Clarissa, Volume 1 (of 9) Samuel Richardson
  • Her ivory forehead was wrinkled charmingly in a little frown of obstinacy.

    Within the Law Marvin Dana
  • He had discovered courage in her and something uncommonly like obstinacy of mind.

    The Foolish Lovers St. John G. Ervine
  • Such an angel of charity to the poor, such a demon of obstinacy with the rich!

    It Happened in Egypt C. N. Williamson
  • Some people would say, you have given a fine description of your own obstinacy, child.

    Clarissa, Volume 2 (of 9) Samuel Richardson
British Dictionary definitions for obstinacy


noun (pl) -cies
the state or quality of being obstinate
an obstinate act, attitude, etc
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
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Word Origin and History for obstinacy

late 14c., from Medieval Latin obstinatia, from obstinatus (see obstinate).

Online Etymology Dictionary, © 2010 Douglas Harper
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