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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 Ipswich proved obdurate and then generous opponents — Newcastle’s 78 per cent possession was the highest by any team in a Premier League match this season — and their relegation was confirmed by this 3-0 defeat. George Caulkin, New York Times, 28 Apr. 2025 Whatever regime emerges could well be even more radical and obdurate. Bloomberg Opinion, Twin Cities, 8 Feb. 2025 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 See All Example Sentences for obdurate
Recent Examples of Synonyms for obdurate
Adjective
  • The ruthless conglomerate's logo, base, ships, and equipment are featured throughout the film, in addition to the synths themselves.
    Lauren Huff, Entertainment Weekly, 8 Nov. 2025
  • Earlier stories in that newspaper described López Torres as a ruthless trafficker who has killed dozens and was earlier aligned with Colombia’s right-wing paramilitary forces, known as the United Self-Defense Forces of Colombia, or the Spanish acronym AUC.
    Antonio Maria Delgado, Miami Herald, 7 Nov. 2025
Adjective
  • That tone—of pain, of surprise, of a stubborn refusal to be reduced or diminished—is everywhere in it.
    Questlove, The Atlantic, 7 Nov. 2025
  • If the stain is stubborn, add a few drops of dish soap to the water and vinegar mixture.
    Ashlyn Needham, Southern Living, 7 Nov. 2025
Adjective
  • Following the deaths of his brother William (Felix Kammerer) and his sister-in-law Elizabeth (Mia Goth), Victor vows vengeance on the Creature and dedicates the rest of his life to a merciless pursuit of him.
    Yasmeen Hamadeh, PEOPLE, 7 Nov. 2025
  • The book, which is from Australia, follows Bee and her fellow runaways, who discover a new friend, Paco, is a Lost Boy from Neverland who needs them to fight hordes of pirates led by a merciless new leader.
    Jesse Whittock, Deadline, 4 Nov. 2025
Adjective
  • The attorney general was adamant that if Running Fence broke the law, workers would be arrested and jailed, and contractors would lose their licenses.
    Literary Hub, Literary Hub, 7 Nov. 2025
  • Lownie is adamant that their friendship dates back to 1991.
    Stephanie Nolasco , Ashley Papa, FOXNews.com, 6 Nov. 2025
Adjective
  • Needless to say, the sanctions, Trump’s criticism of Putin and the cancelation of in-person talks, elicited a stony silence from Moscow on Thursday.
    Holly Ellyatt, CNBC, 23 Oct. 2025
  • Madewell Crewneck Cutaway Vest A stony tan vest might just be the sleeper hit of the season.
    Rosie Marder, Travel + Leisure, 18 Oct. 2025
Adjective
  • The balance of power in Mississippi is shifting away from extremism and chaos and toward champions of working families, driven by Democrats’ steadfast commitment to their communities.
    Daniel Orton, MSNBC Newsweek, 5 Nov. 2025
  • But the disruption is already wreaking havoc on the normally steadfast program.
    Christian Orozco, NBC news, 4 Nov. 2025
Adjective
  • Still, some military analysts remain cautious, noting that satellites are built to endure intense cosmic radiation with hardened components and shielding, leaving open the question of whether such directed energy could penetrate these defenses.
    Bojan Stojkovski, Interesting Engineering, 8 Nov. 2025
  • If this group of hardened degenerates was able to enjoy the action at this level, who, exactly, are the spiritual victims of sports betting?
    Jay Caspian Kang, New Yorker, 7 Nov. 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 12 Nov. 2025.

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