• (RP) IPA: /ˈɒbdʒʊɹɪt/, /ˈɒbdjʊɹɪt/, /ˈɒbdʒəɹɪt/, /-ət/
  • (GA) IPA: /ˈɑbd(j)ʊɹɪt/, /ˈɑbd(j)əɹɪt/, /-ət/


  1. Stubbornly persistent, generally in wrongdoing; refusing to reform or repent.
    • 1593, Richard Hooker, Of the Laws of Ecclesiastical Polity, Book I:
      ... sometimes the very custom of evil making the heart obdurate against whatsoever instructions to the contrary ...
    • 1591, William Shakespeare, Henry VI, Part 3, Act I, sc. 4:
      Art thou obdurate, flinty, hard as steel,
      Nay, more than flint, for stone at rain relenteth?
    • 1674, John Milton, Paradise Lost, Book I, lines 56–8
      ... round he throws his baleful eyes
      That witness'd huge affliction and dismay
      Mixt with obdurate pride and stedfast hate:
    • 1818, Percy Bysshe Shelley,"The Revolt of Islam", canto 4, stanza 9, lines 1486-7:
      But custom maketh blind and obdurate
      The loftiest hearts.
  2. (obsolete) Physically hardened, toughened.
  3. Hardened against feeling; hard-hearted.
    • 1848, William Makepeace Thackeray, Vanity Fair, Chapter 13:
      I fear the gentleman to whom Miss Amelia's letters were addressed was rather an obdurate critic.
Synonyms Related terms Translations Translations
  • French: dur comme un roc
  • Russian: закалённый

obdurate (obdurates, present participle obdurating; past and past participle obdurated)

  1. (transitive, obsolete) To harden; to obdure.

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