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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 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 See All Example Sentences for obdurate
Recent Examples of Synonyms for obdurate
Adjective
  • Tracey recalls how her ruthless daughter sought revenge on her father, classmates and Laura.
    Erin Jensen, USA Today, 12 Sep. 2025
  • In the epic Emperor Kisra (Kingsley) has a reputation for being utterly ruthless.
    Nick Vivarelli, Variety, 12 Sep. 2025
Adjective
  • Viewers were quick to point out the hilarity of the dog's stubborn protest, with many suggesting that the dachshund had already claimed permanent rights to the bed.
    Melissa Fleur Afshar, MSNBC Newsweek, 12 Sep. 2025
  • The stubborn myth that Jews are too safe to be targets is colliding with a painful new reality.
    Andrew Weinstein, Time, 12 Sep. 2025
Adjective
  • If Hollow Knight was demanding, Silksong is merciless.
    Keller Gordon, NPR, 8 Sep. 2025
  • In 1918, Bolshevik secret police forced Anastasia Romanov and her imperial family into a damp basement to face a merciless firing squad.
    Ashlee Conour, Chicago Tribune, 2 Sep. 2025
Adjective
  • However, her mother is adamant about keeping the canine off the antique chair.
    Liz O'Connell, MSNBC Newsweek, 10 Sep. 2025
  • Sandlin was adamant that his engineering team has done everything possible to ensure no adverse impact to neighboring properties.
    Matthew Adams, Fort Worth Star-Telegram, 8 Sep. 2025
Adjective
  • Its stony soil and cool climate produce lower yields, but more expressive flavors, especially in chardonnay, pinot noir, and sparkling wines.
    Alexandra Emanuelli, Travel + Leisure, 7 Sep. 2025
  • No expensive meter running that is racking up hefty bills and stony fees.
    Lance Eliot, Forbes.com, 8 Aug. 2025
Adjective
  • Our administration must remain steadfast in ensuring that those who put in the work receive the benefits of their efforts.
    Ruth Vitale, Deadline, 10 Sep. 2025
  • The engineering professor is steadfast that nearly all jobs will be taken over by AI—even most of the ones that have a special human touch, like teachers and car drivers.
    Emma Burleigh, Fortune, 9 Sep. 2025
Adjective
  • For example, the military's ultra-hardened Advanced Extremely High Frequency satellites in geosynchronous orbit are designed to operate through an electromagnetic pulse and nuclear scintillation.
    Stephen Clark, ArsTechnica, 11 Sep. 2025
  • The hardened sediment largely contained the mineral brucite — created through alkaline waste interacting with magnesium in the ocean water that resulted in the crust-like surface surrounding the barrels.
    Maura Fox, San Diego Union-Tribune, 11 Sep. 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 16 Sep. 2025.

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