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 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
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
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
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 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
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
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
Recent Examples of Synonyms for adamantine
Adjective
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To their credit, Wild GM Bill Guerin and owner Craig Leipold were adamant that wasn’t going to happen and got a deal done.—
James Mirtle,
New York Times,
1 Oct. 2025
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His family, as well as his legal team, are adamant that Combs has been rehabilitated and should be released.—
DeMicia Inman,
VIBE.com,
30 Sep. 2025
Adjective
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Originally bred in Germany to hunt badgers, these small canines are energetic, bold and stubborn.—
Liz O'Connell,
MSNBC Newsweek,
3 Oct. 2025
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Both options meant navigating some stubborn supporters.—
Kevin Coulson,
New York Times,
2 Oct. 2025
Adjective
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Since trading for Mitchell in the summer of 2022, Cleveland has held steadfast in the belief that its contention window truly opens when Mobley is up for it.—
Joe Vardon,
New York Times,
2 Oct. 2025
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Despite the growing frustration surrounding the play, Payton remains steadfast in his belief that the play should not be outlawed.—
Evan Massey,
MSNBC Newsweek,
1 Oct. 2025
Adjective
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Those hardened positions have quashed behind-the-scenes efforts by a group of moderate Democrats and Republicans to work out some sort of mutual understanding or soft deal to avoid a government shutdown at the end of the month.—
Alexander Bolton,
The Hill,
30 Sep. 2025
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What lingers as the end credits roll is Daniel Day-Lewis’ noble face — full of sorrow, resentment, guilt and shame, emotions that Ray spends much of the early action masking in hardened indifference.—
David Rooney,
HollywoodReporter,
28 Sep. 2025
Cite this Entry
“Adamantine.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adamantine. Accessed 10 Oct. 2025.
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