as in adamant
sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion
the adamantine opposition of his parents to his marriage to a girl from a poor family
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Recent Examples of adamantine
Still, Naz, whose solitary ways confuse his family, very much wishes that Aziza wasn’t meeting his adamantine mother, Claudine (LaTanya Richardson Jackson), or his famous father, or his ex-state-senator older brother, Junior (Glenn Davis), recently incarcerated for embezzling campaign funds.
—
Helen Shaw, The New Yorker, 20 Mar. 2025
Image My first collision with the adamantine wall of Vivamayr house rules coincided with my arrival.
—Caity Weaver, New York Times, 25 Jan. 2025
Although Bush and Obama both flirted with what was once called entitlement reform, Trump and Biden now present themselves as adamantine defenders of Social Security and Medicare, each accusing the other of secretly aiming to cut those programs.
—Matthew Karp, Harper's Magazine, 2 Oct. 2024
This view is much in vogue today, casting China not as a country that responds to pressure and incentives but as an adamantine force incapable of reacting to external stimuli.
—Julian Gewirtz, Foreign Affairs, 13 Oct. 2020
This poor little deer had to be sacrificed by your adamantine reviewer to show you how the new tool works.
—PCMAG, 30 May 2024
At the Guggenheim Bilbao, at Glenstone, at SF MoMA and in St. Louis — in so many places around the world — Serra’s adamantine sculptures act on you.
—Sebastian Smee, Washington Post, 27 Mar. 2024
She is known for her aphoristic precision and intense, adamantine paragraphs.
—Matthew Gavin Frank, Harper's Magazine, 21 Feb. 2022
So contrary to what Gordon suggests, effective teaching, as Weber saw it, involves much more than pitting students’ opinions against adamantine facts.
—Peter E. Gordon, The New York Review of Books, 19 Nov. 2020
Helen Shaw, The New Yorker, 20 Mar. 2025
Image My first collision with the adamantine wall of Vivamayr house rules coincided with my arrival.
—Caity Weaver, New York Times, 25 Jan. 2025
Although Bush and Obama both flirted with what was once called entitlement reform, Trump and Biden now present themselves as adamantine defenders of Social Security and Medicare, each accusing the other of secretly aiming to cut those programs.
—Matthew Karp, Harper's Magazine, 2 Oct. 2024
This view is much in vogue today, casting China not as a country that responds to pressure and incentives but as an adamantine force incapable of reacting to external stimuli.
—Julian Gewirtz, Foreign Affairs, 13 Oct. 2020
This poor little deer had to be sacrificed by your adamantine reviewer to show you how the new tool works.
—PCMAG, 30 May 2024
At the Guggenheim Bilbao, at Glenstone, at SF MoMA and in St. Louis — in so many places around the world — Serra’s adamantine sculptures act on you.
—Sebastian Smee, Washington Post, 27 Mar. 2024
She is known for her aphoristic precision and intense, adamantine paragraphs.
—Matthew Gavin Frank, Harper's Magazine, 21 Feb. 2022
So contrary to what Gordon suggests, effective teaching, as Weber saw it, involves much more than pitting students’ opinions against adamantine facts.
—Peter E. Gordon, The New York Review of Books, 19 Nov. 2020
Recent Examples of Synonyms for adamantine
Adjective
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But Rawan is adamant that solving this will need more than just high-tech products.—
Alexander Puutio,
Forbes.com,
9 June 2025
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Furious, Julian is adamant that Gabby wasn’t on the boat with Finn and Toby.—
Barry Levitt,
Time,
6 June 2025
Adjective
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Their relationship can be difficult as AM is stubborn and likes to have her way always.—
Carolyn Rosenblatt,
Forbes.com,
9 June 2025
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Rick McConnell said that this sounds like his mom, who is stubborn.—
Bella Waters,
Kansas City Star,
4 June 2025
Adjective
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Despite Aspinall winning the interim crown, UFC CEO Dana White remained steadfast in saying that Jones vs. Miocic was the fight to make.—
Trent Reinsmith,
Forbes.com,
13 June 2025
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From the outset, our firm has maintained that no one is above the law, especially those in positions of power, and that principle remains steadfast.—
Cheyenne Roundtree,
Rolling Stone,
12 June 2025
Cite this Entry
“Adamantine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adamantine. Accessed 17 Jun. 2025.
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