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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 a member of a crew that robs banks, Mr. Blonde is the most ruthless.
    James Brizuela, MSNBC Newsweek, 3 July 2025
  • As they’re hunted by a ruthless drug gang led by the menacing Power (Aidan Gillen), their fight for survival becomes a journey of redemption.
    Andreas Wiseman, Deadline, 2 July 2025
Adjective
  • One of the people that is most stubborn in their support of these spendy projects is Senator Todd Young, a Republican from Indiana.
    Roger Valdez, Forbes.com, 1 July 2025
  • For indoor brick, keep it simple by trying a slightly damp brush to sweep away stubborn dirt.
    Patricia Shannon, Southern Living, 29 June 2025
Adjective
  • While Charlie Brown played things safe, Snoopy lived an exuberant life in his imagination, casting himself as a frustrated novelist, gleeful dancer, merciless attorney and even a prolific flying ace in a World War I Sopwith Camel.
    Chris Carra, Smithsonian Magazine, 26 June 2025
  • Players have openly voiced their struggles with its deep rough, lightning-fast greens, and merciless bunkers.
    Devlina Sarkar, MSNBC Newsweek, 11 June 2025
Adjective
  • Among the holdouts are members of the SALT Caucus, who have been adamant that any deal from the Senate that does not match the one that passed the House is dead on arrival.
    Rachel Schilke, The Washington Examiner, 27 June 2025
  • President Donald Trump has been adamant his tariffs will bring factory jobs back to American shores.
    Preston Fore, Fortune, 27 June 2025
Adjective
  • There's also an interesting shot toward the end of the trailer with Ben Grimm sporting what appears to be a stony beard as the Human Torch carries him.
    Michileen Martin, MSNBC Newsweek, 25 June 2025
  • His stony reaction to the red card in the moment did not betray any sense of injustice.
    Liam Twomey, New York Times, 21 June 2025
Adjective
  • Despite setbacks — including talks of a walkout, which stalled when leadership got wind of the strategic move — the cheerleaders remained steadfast in their pursuit.
    Angelique Jackson, Variety, 25 June 2025
  • While some things have changed since then — such as her hair color and last name — Brett’s philosophy on the power of education and educators has remained steadfast, even as the culture and technology of both education and the world shifted.
    Joseph States, Chicago Tribune, 24 June 2025

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Cite this Entry

“Obdurate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/obdurate. Accessed 9 Jul. 2025.

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