If you're obstinate, you're just plain stubborn. Obstinate, dogged, stubborn, and mulish all mean that someone is unwilling to change course or give up a belief or plan. Obstinate suggests an unreasonable persistence; it's often a negative word. Dogged implies that someone goes after something without ever tiring or quitting; it can be more positive. Stubborn indicates a resistance to change, which may or may not be admirable. Someone who displays a really unreasonable degree of stubbornness could accurately be described as mulish.
obstinate implies usually an unreasonable persistence.
an obstinate proponent of conspiracy theories
dogged suggests an admirable often tenacious and unwavering persistence.
pursued the story with dogged perseverance
stubborn implies sturdiness in resisting change which may or may not be admirable.
a person too stubborn to admit error
pertinacious suggests an annoying or irksome persistence.
a pertinacious salesclerk refusing to take no for an answer
mulish implies a thoroughly unreasonable obstinacy.
a mulish determination to have his own way
Example Sentences
More than 30 cities had sued the gun industry for the costs of violence on their streets. Cuomo had brashly stepped into the legal swamp, hoping he could be the guy to force concessions from an obstinate industry. Matt Bai, Newsweek, 5 Feb. 2001With The New York Times calling Klein "a weak nominee" and editorializing that the administration should withdraw him, and with his opponents obstinate and apparently committed, he seemed for a moment to be in serious trouble. John Heilemann, Wired, November 2000What did they know of life? All they knew was how to parrot the stock phrases of their profession and to continue to be obstinate until somebody, somewhere, paid up. Alexander McCall Smith, The No. 1 Ladies' Detective Agency, 1998When my father finished telling the story, he looked at me, then looked away. A moment of silence lodged between us, an old and obstinate silence. Bernard Cooper, Harper's, August 1992 his obstinate refusal to obey My parents remain as obstinate as ever. See More
Recent Examples on the WebWhile many Big Tech companies have fought the right-to-repair movement, opposing dozens of state and federal bills that would force manufacturers to sell necessary repair items to customers, Apple has a reputation for being particularly obstinate. Jacob Carpenter, Fortune, 18 Nov. 2021 Sadly, many Western politicians and intellectuals remain obstinate. Alexander William Salter, National Review, 22 July 2021 There was nothing stopping the NCAA from working toward a compromise and avoid running afoul of this Supreme Court case; its decision to fight now looks obstinate and misguided. Alex Shephard, The New Republic, 21 June 2021 Ed remains obstinate, but the other guys keep them from coming to blows. Kristen Baldwin, EW.com, 18 Nov. 2020 Many less attractive traits are also recorded: Charles could be uncommunicative and dilatory, evasive and mendacious, refractory, vindictive, obstinate, even outright wicked, though self-delusive about the motives of others. R.j.w. Evans, The New York Review of Books, 27 May 2020 Zelenskiy and Ukraine may be facing a similarly sensitive and obstinate government to the one the country confronted over the 2014 incident.Washington Post, 10 Jan. 2020 Since the first cases here were diagnosed nearly five weeks ago, an obstinate equanimity has prevailed. Arthur Longworth, The New York Review of Books, 12 Apr. 2020 And the obstinate idiosyncrasies of his music were at times judged even more harshly. Seth Colter Walls, New York Times, 8 Apr. 2020 See More
Word History
Etymology
Middle English, from Anglo-French obstinat, Latin obstinatus, past participle of obstinare to be resolved, from ob- in the way + -stinare (akin to stare to stand)