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obstinate

American  
[ob-stuh-nit] / ˈɒb stə nɪt /

adjective

  1. firmly or stubbornly adhering to one's purpose, opinion, etc.; not yielding to argument, persuasion, or entreaty.

    Synonyms:
    pertinacious, refractory, inflexible, perverse, intractable, unbending, unyielding, obdurate, mulish
    Antonyms:
    tractable, submissive
  2. characterized by inflexible persistence or an unyielding attitude; inflexibly persisted in or carried out.

    obstinate advocacy of high tariffs.

  3. not easily controlled or overcome.

    the obstinate growth of weeds.

  4. not yielding readily to treatment, as a disease.


obstinate British  
/ ˈɒbstɪnɪt /

adjective

  1. adhering fixedly to a particular opinion, attitude, course of action, etc

  2. self-willed or headstrong

  3. difficult to subdue or alleviate; persistent

    an obstinate fever

"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

Related Words

See stubborn.

Other Word Forms

  • obstinately adverb
  • obstinateness noun
  • superobstinate adjective
  • superobstinately adverb
  • superobstinateness noun
  • unobstinate adjective
  • unobstinately adverb

Etymology

Origin of obstinate

First recorded in 1350–1400; Middle English, from Latin obstinātus (past participle of obstināre “to set one's mind on, be determined”), equivalent to ob- ob- + -stin-, combining form of stan- (derivative of stāre “to stand,” stand ) + -ātus -ate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Her critical “confidence . . . is thrillingly anachronistic: obstinate, sure, but warming, too.”

From The Wall Street Journal • Dec. 26, 2025

While the central meaning of all this has yet to be revealed, Seehorn’s performance of Carol’s obstinate loneliness is wrenchingly genuine to anyone who has ever felt alone in a sea of smiling strangers.

From Salon • Dec. 17, 2025

She represented this neighborhood during her 16 years on the City Council, and has little patience for obstinate bureaucracy.

From Los Angeles Times • Aug. 14, 2024

But he added, he is "a pretty obstinate person".

From BBC • Apr. 14, 2024

Apart from these, he should refuse to listen to anyone else, pursue his goals directly, and be obstinate in the decisions he has taken.

From "The Prince" by Niccolò Machiavelli