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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
  • Confronting Iran’s ruthless campaign of terror, nuclear ambitions, and regional aggression demands strength, resolve, and strategic clarity.
    Dominic Patten, Deadline, 21 June 2025
  • Michael Fassbender plays the deceased Apple guru — a flawed, ruthless, but ultimately compassionate soul.
    Tim Grierson, Vulture, 20 June 2025
Adjective
  • Then Curry, rattled by the monumental reverb of Kyrie’s shot, hurried into a stubborn approach on the ensuing possession, missed a desperate 3 over Kevin Love, who used his length and a rare display of defensive intensity to deny Curry a good look.
    David Aldridge, New York Times, 22 June 2025
  • All of which can be employed by Musk or anyone else using AI to target us with false political advertising tailored to our most stubborn biases, further dividing us, manipulating elections and solidifying what has already become a fascist state.
    Sal Recchi, The Orlando Sentinel, 22 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
  • Football has typically accepted these lapses and quietly moved on, adamant that the use of performance-enhancing drugs (PED) is primarily a problem for other sports.
    Philip Buckingham, New York Times, 20 June 2025
  • It’s become the latest project that’s caused high tension among Prairie Village residents — with a new group that’s formed to rally residents to push against the city’s plans, while others are adamant for its approval.
    Taylor O’Connor, Kansas City Star, 17 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
  • Hamas has remained steadfast against Israel’s attacks in Gaza.
    Brady Knox, The Washington Examiner, 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 6 Jul. 2025.

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