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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
  • And, if hate doesn't come from inside the show itself, Black women are forced to endure online hate from ruthless fans.
    Kayla Grant, People.com, 5 Aug. 2025
  • The film takes place in the sweltering heat of a Texas summer in 1974, watching as ruthless prisoner Federico Carrasco takes control of the Huntsville Penitentiary.
    Matt Grobar, Deadline, 5 Aug. 2025
Adjective
  • For Baxter and the stubborn Scot, this marked, at last, the reality of war’s end.
    Charles Pellegrino, Rolling Stone, 6 Aug. 2025
  • Here’s the case for Scorpio: Wednesday is suss, secretive, brooding, vengeful and stubborn.
    Lisa Stardust, People.com, 6 Aug. 2025
Adjective
  • Her fateful decision proves to have great consequences, and Jude tracks her subsequent guilt trip with merciless humanity, echoing Rossellini’s Europa ’51.
    Jill Goldsmith, Deadline, 5 Aug. 2025
  • People often hear the word budget and think of dieting –– punishment, restriction and merciless cost cutting.
    Madeline Holcombe, CNN Money, 4 Aug. 2025
Adjective
  • However, Coast Guard officials were adamant that FEMA makes the ultimate decision, and that FEMA’s choices may differ from the Coast Guard’s recommendations.
    Joseph States, Chicago Tribune, 30 July 2025
  • However, she’s remained adamant that to pull off paying homage to the famed actress, everything must be done right.
    Angel Saunders, People.com, 29 July 2025
Adjective
  • No expensive meter running that is racking up hefty bills and stony fees.
    Lance Eliot, Forbes.com, 8 Aug. 2025
  • On the palate, fresh red cherry, juicy melon, and stony minerality.
    Joseph V Micallef, Forbes.com, 26 June 2025
Adjective
  • Exciting developments are on the horizon, but no matter how ebikes evolve, one rule remains steadfast: Buy a bike from a manufacturer that offers good customer support.
    Stephanie Pearson, Wired News, 8 Aug. 2025
  • From that same place comes her steadfast advocacy for the Latino community.
    Isabela Raygoza, Billboard, 6 Aug. 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 20 Aug. 2025.

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