From Middle English obstinate, obstinat, from Latin obstinātus, past participle of obstinō ("set one's mind firmly upon, resolve"), from ob ("before") + *stinare, from stare ("to stand").

• (British) IPA: /ˈɒb.stɪ.nət/, /ˈɒb.stɪ.nɪt/
• (America) enPR: äb'stənət, IPA: /ˈɑb.stə.nət/, /ˈɑb.stə.nɪt/

obstinate

1. Stubbornly adhering to an opinion, purpose, or course, usually with implied unreasonableness; persistent.
   • 1686, Montaigne, translated by Charles Cotton, That men are justly punished for being obstinate in the defence of a fort that is not in reason to be defended:

     From this consideration it is that we have derived the custom, in times of war, to punish […] those who are obstinate to defend a place that by the rules of war is not tenable […]

   • 1847 January – 1848 July, William Makepeace Thackeray, chapter 21, in Vanity Fair […], London: Bradbury and Evans […], published 1848, →OCLC ↗:

     […] the junior Osborne was quite as obstinate as the senior: when he wanted a thing, quite as firm in his resolution to get it; and quite as violent when angered, as his father in his most stern moments

2. (of inanimate things) Not easily subdued or removed.
   • 1925-29, Mahadev Desai (translator), Mahatma Gandhi, The Story of My Experiments with Truth, Part IV, Chapter XXIX,

     Now it happened that Kasturbai […] had again begun getting haemorrhage, and the malady seemed to be obstinate.

3. (of a facial feature) Typical of an obstinate person; fixed and unmoving.
   • 1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019:

     He had the same pile of curly hair, but he was clean-shaven with a heavy, obstinate jowl.

• (stubbornly adhering to an opinion, purpose, or course) bloody-minded, persistent, stubborn, pertinacious, see also Thesaurus:obstinate
• (not easily subdued) persistent, unrelenting, inexorable

• French: obstiné
• German: hartnäckig, starrköpfig, stur
• Italian: ostinato, pertinace
• Portuguese: obstinado, persistente, pertinaz
• Russian: упря́мый
• Spanish: obstinado, obcecado, porfiado

• German: widerspenstig, widerborstig, hartnäckig