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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
  • The role of Chris Partlow, Marlo Stanfield's top lieutenant and ruthless hitman, was the first screen credit for Gbenga Akinnagbe.
    Derek Lawrence, EW.com, 29 July 2025
  • The initial plan was to use the Indigenous Taino population to work the fields, but this population was quickly decimated by genocidal conquest, ruthless working conditions as well as novel diseases brought by the Europeans.
    Literary Hub, Literary Hub, 29 July 2025
Adjective
  • Beneath its surface were deep, dark scars—grooves cut through the rock by old lava flows, now overgrown with stubborn green.
    Tess Moormans, Travel + Leisure, 27 July 2025
  • The fizzing reaction can help remove stubborn residues.
    Katie Rosenhouse, Southern Living, 27 July 2025
Adjective
  • Beyond the numbers is the human toll of Trump’s merciless campaign.
    South Florida Sun Sentinel, Sun Sentinel, 21 July 2025
  • Private equity moving into professional sports conjures the same fears of merciless efficiency in an industry driven by sentimentality, but Arougheti brushes off the concerns, arguing that institutional capital will increase profitability and allow owners to invest more in their teams.
    Leo Schwartz, Fortune, 21 July 2025
Adjective
  • Since camp got underway, he's been adamant that winning games is far more important than his personal stats.
    Kevin McCormick, MSNBC Newsweek, 25 July 2025
  • Liverpool communicated an interest in acquiring the Sweden international for around £120m, though Newcastle have been adamant for months that Isak is not for sale.
    David Ornstein, New York Times, 22 July 2025
Adjective
  • On the palate, fresh red cherry, juicy melon, and stony minerality.
    Joseph V Micallef, Forbes.com, 26 June 2025
  • But Bana is not as believable when asked to drop his stony demeanor and display vulnerability, a shortcoming that hampers his arc in the back half of the season.
    Roxana Hadadi, Vulture, 17 July 2025
Adjective
  • Our volunteer firefighters represent the best of us, exemplifying a steadfast commitment to service and sacrifice.
    Justin Muszynski, Hartford Courant, 29 July 2025
  • Greek life, despite its understandable divisiveness, is a steadfast tradition on most Southern college campuses.
    Kaitlyn Yarborough, Southern Living, 27 July 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 6 Aug. 2025.

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