obstinacy

[ ob-stuh-nuh-see ]
/ ˈɒb stə nə si /

noun, plural ob·sti·na·cies 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for obstinacy

British Dictionary definitions for obstinacy

obstinacy
/ (ˈɒbstɪnəsɪ) /

noun plural -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