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Synonym Chooser

How is the word obdurate different from other adjectives like it?

The words adamant and inflexible are common synonyms of obdurate. While all three words mean "unwilling to alter a predetermined course or purpose," obdurate stresses hardness of heart and insensitivity to appeals for mercy or the influence of divine grace.

obdurate in his refusal to grant clemency

When can adamant be used instead of obdurate?

The words adamant and obdurate can be used in similar contexts, but adamant implies utter immovability in the face of all temptation or entreaty.

adamant that the work should continue

Where would inflexible be a reasonable alternative to obdurate?

While the synonyms inflexible and obdurate are close in meaning, inflexible implies rigid adherence or even slavish conformity to principle.

inflexible in their demands

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of obdurate Advertisement None of that has immunized the lowly smelt from its most obdurate enemy: partisan folly. Michael Hiltzik, Los Angeles Times, 14 Jan. 2025 Nevertheless, Biden’s obdurate unwillingness to step aside for younger, more plausible Democratic candidates resulted in the reëmergence of his nemesis. David Remnick, The New Yorker, 12 Jan. 2025 Up the long hill and around a bend that almost touches itself White Chimneys comes into view, as harsh and obdurate as ever. Annie Proulx, The New Yorker, 30 June 2024 Over the next several hundred million years, terrestrial plants of all kinds profoundly altered the planet, accelerating the water cycle, turning obdurate crust into supple soil—and pushing the level of atmospheric oxygen to new heights. Ferris Jabr, The Atlantic, 25 June 2024 See All Example Sentences for obdurate
Recent Examples of Synonyms for obdurate
Adjective
  • As with everything Banksy, siting and context are chief among the avenues of investigation into the man’s intent and into his his hilariously ruthless nocturnal execution of his art.
    Guy Martin, Forbes.com, 30 May 2025
  • The ruthless, physical Panthers will get a strong Oilers squad, with Ekholm back on the back end, Skinner emphatically taking back his net from Calvin Pickard, and both McDavid and Leon Draisaitl on top of their games.
    Daniel Nugent-Bowman, New York Times, 30 May 2025
Adjective
  • Jet fuel rolled down the street and the smell of it lingered in the air while authorities worked to extinguish one stubborn car fire that sent smoke billowing up.
    John Hanna, Chicago Tribune, 22 May 2025
  • Of course, stubborn coach Tom Thibodeau went with his only play, a Jalen Brunson iso, while the starters huffed and puffed from playing nearly the entire game.
    Alphonse Pierre, Pitchfork, 22 May 2025
Adjective
  • The Heat’s roller-coaster season has come to a merciless end.
    Jared Weiss, New York Times, 29 Apr. 2025
  • This time, his assignment takes him to Serbia, as he is tasked with assassinating the merciless General Mile Valstoria (Peter Linka).
    Christopher Rudolph, People.com, 10 May 2025
Adjective
  • Following Meghan's statements, Eldridge is adamant that her relatable role isn't convincing.
    Stephanie Nolasco , Ashley Papa, FOXNews.com, 29 May 2025
  • In early previews and pre-release memos, the developers have been adamant that, despite targeting a more casual audience with some more forgiving elements, this is meant to be enjoyed by people who have spent hundreds of hours in the main game and its 2024 expansion, Shadow of the Erdtree.
    Christopher Cruz, Rolling Stone, 28 May 2025
Adjective
  • Her stony expression at this news indicates that Peter should maybe sleep with one eye open.
    Caroline Framke, Vulture, 22 May 2025
  • The complexities of her character mirrored in her stony, resentful stare, in her grim, unforgiving mouth, will always baffle and enthrall.
    E.R. Zarevich, Smithsonian Magazine, 7 May 2025
Adjective
  • Despite Aspinall winning the interim crown, UFC CEO Dana White remained steadfast in saying that Jones vs. Miocic was the fight to make.
    Trent Reinsmith, Forbes.com, 20 May 2025
  • Over the years, the Biden family has confronted unimaginable adversity with grace and steadfast perseverance.
    Natalie Oganesyan, Deadline, 18 May 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 3 Jun. 2025.

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