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See more synonyms for obstinacy on Thesaurus.com
noun, plural ob·sti·na·cies for 5.
  1. the quality or state of being obstinate; stubbornness.
  2. unyielding or stubborn adherence to one's purpose, opinion, etc.
  3. stubborn persistence: The garrison fought on with incredible obstinacy.
  4. resistance to cure, relief, or treatment, as a disease.
  5. an instance of being obstinate; an obstinate act, viewpoint, etc.
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Origin of obstinacy

1350–1400; Middle English < Medieval Latin obstinātia, derivative of Latin obstinātus (see obstinate); see -cy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for obstinacy

reluctance, determination, purpose, tenacity, obstinance

Examples from the Web for obstinacy

Contemporary Examples of obstinacy

Historical Examples of obstinacy

  • And Mr. Solmes can't help your obstinacy: let that be observed too.

    Clarissa, Volume 1 (of 9)

    Samuel Richardson

  • 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

  • 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

British Dictionary definitions for obstinacy


noun plural -cies
  1. the state or quality of being obstinate
  2. an obstinate act, attitude, etc
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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 obstinacy


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

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Online Etymology Dictionary, © 2010 Douglas Harper