obduracy (plural obduracies)

1. The state#Noun|state of being obdurate, intractable, or stubbornly inflexible.
   • c. 1596–1599, William Shakespeare, The Second Part of Henrie the Fourth, […], quarto edition, London: Printed by V[alentine] S[immes] for Andrew Wise, and William Aspley, published 1600, OCLC 55178895 ↗, [Act II, scene ii] ↗:

     By this hand thou, thinkeſt me as farre in the diuels booke, as thou and Falſtaffe, for obduracie and perſiſtancie, let the end trie the man, [...]

   • 1713, Nehemiah Walter, A discourse concerning the wonderfulness of Christ, Eleazer Phillips (Boston), page 156,

     It might also serve to condemn the obduracy and hard-heartedness of the Jews, who relented not, when even the earth trembled and the rocks rent.

   • 1812, Percy Bysshe Shelley, "On Leaving London for Wales," ln 5-6,

     True mountain Liberty alone may heal
     The pain which Custom's obduracies bring.

   • 2007, Simon Hughes, "Chanderpaul finally outwitted by master ↗" Telegraph.co.uk, 20 June,

     Chanderpaul's obduracy might have broken lesser men, but Panesar more than matched him for relentlessness.

• obdurate

• Russian: упря́мство
• Spanish: obstinación