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Mid 15th century, from Latin obduratus (hardened), form of obdūrō (harden), from ob- (against) + dūrō (harden, render hard), from durus (hard).[1] Compare durable, endure.


  • (Received Pronunciation) IPA(key): /ˈɒbdjʊɹət/, /ˈɒbdjʊɹɪt/
  • (US) IPA(key): /ˈɑːbdjʊɹɪt/, /ˈɑːbdʊɹɪt/
  • (file)
  • Sometimes accented on the second syllable, especially by the older poets.


obdurate (comparative more obdurate, superlative most obdurate)

  1. Stubbornly persistent, generally in wrongdoing; refusing to reform or repent.
    • Hooker
      The very custom of evil makes the heart obdurate against whatsoever instructions to the contrary.
    • Shakespeare
      Art thou obdurate, flinty, hard as steel, / Nay, more than flint, for stone at rain relenteth?
    • 1818, Percy Bysshe Shelley,"The Revolt of Islam", canto 4, stanza 9, lines 1486-7:
      But custom maketh blind and obdurate
      The loftiest hearts.
    • 2011 February 12, Les Roopanarine, “Birmingham 1 - 0 Stoke”, in BBC[1]:
      An injury-time goal from Nikola Zigic against an obdurate Stoke side gave Birmingham back-to back Premier League wins for the first time in 14 months.
  2. (obsolete) Physically hardened, toughened.


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Related termsEdit


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout#Translations.


obdurate (third-person singular simple present obdurates, present participle obdurating, simple past and past participle obdurated)

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


  1. ^ obdurate” in Douglas Harper, Online Etymology Dictionary, 2001–2017.