1
as in stubborn
sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion
an implacable judge who knew in his bones that the cover-up extended to the highest levels of government
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Antonyms & Near Antonyms
2
as in relentless
showing no signs of slackening or yielding in one's purpose
an implacable dedication to the proposition that everyone is entitled to a quality education
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of implacable
Yet through the almost implacable drive of its founder, Ishida Dance Company has set itself apart.
—
Michael Barnes, Austin American Statesman, 20 Jan. 2026
There are no heroes here, no depictions of great work by those fighting an implacable foe.
—Literary Hub, 9 Dec. 2025
In a recent book on the role of empathy in diplomacy, academic Claire Yorke defends the importance of actors trying, at least partially, to see the world through the eyes of even their most implacable opponents.
—Kerry Brown, Time, 28 Nov. 2025
Here in this country, Republican opposition to public ownership remains implacable, at least in theory.
—John Cassidy, New Yorker, 10 Nov. 2025
See All Example Sentences for implacable
Michael Barnes, Austin American Statesman, 20 Jan. 2026
There are no heroes here, no depictions of great work by those fighting an implacable foe.
—Literary Hub, 9 Dec. 2025
In a recent book on the role of empathy in diplomacy, academic Claire Yorke defends the importance of actors trying, at least partially, to see the world through the eyes of even their most implacable opponents.
—Kerry Brown, Time, 28 Nov. 2025
Here in this country, Republican opposition to public ownership remains implacable, at least in theory.
—John Cassidy, New Yorker, 10 Nov. 2025
See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
Adjective
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Across the Rockies and beyond, many of our favorite mountains were haunted by unseasonably warm spikes and stubborn weather patterns that shut out snow for weeks on end.—
Kristen Geil,
Outside,
31 Mar. 2026
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For stubborn blockages, a plumber’s snake can help break things loose.—
Lauren Jarvis-Gibson,
Fort Worth Star-Telegram,
31 Mar. 2026
Adjective
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The relentless heat, which has shattered monthly high temperature records, has caused the mountain snowpack to virtually vanish from California’s Sierra Nevadas all the way to the Colorado Rockies.—
Andrew Freedman,
CNN Money,
27 Mar. 2026
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Iran's grip on the strait and relentless attacks on Gulf energy infrastructure have sent Brent crude, the international standard, up more than 40% since the war started.—
JON GAMBRELL AND DAVID RISING THE ASSOCIATED PRESS,
Arkansas Online,
27 Mar. 2026
Adjective
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Conservative Republicans were adamant, however, against establishing a precedent that allows Congress during the yearly appropriations process to fund some agencies within Homeland Security, but not others.—
Lisa Mascaro,
Chicago Tribune,
27 Mar. 2026
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However, even as the team trudges to a play-in spot rather than a top seed, Green was adamant that the Warriors’ standard of competitiveness cannot change.—
Joseph Dycus,
Mercury News,
26 Mar. 2026
Adjective
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The German Marshall Fund think tank reached a similarly grim conclusion.—
Micah McCartney,
MSNBC Newsweek,
1 Apr. 2026
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At the Church of Saint Andrew in Bucha, after viewing dozens of graphic photographs and a video display of the massacres with his EU counterparts, Polish Foreign Minister Radek Sikorski was grim.—
Lorne Cook,
Los Angeles Times,
31 Mar. 2026
Adjective
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Their steadfast belief in this very personal film and commitment to getting it on marquees means so much to me.—
Anthony D'Alessandro,
Deadline,
30 Mar. 2026
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Fielder has been the sole democratic socialist on the board and a steadfast advocate for progressive causes, often voting against Lurie’s legislative agenda and the board’s moderate majority bloc.—
Alyce McFadden,
San Francisco Chronicle,
29 Mar. 2026
Adjective
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It was later determined that those two residents were not at home at the time of the fire, Pittsburgh Public Safety confirmed.—
Garrett Behanna,
CBS News,
30 Mar. 2026
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Yet Americans remained determined, patient, and optimistic — committed to defeating evil.—
Gil Troy,
New York Daily News,
29 Mar. 2026
Adjective
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Three more ski areas in Colorado are set to close up shop at the end of the week due to persistent warm weather and low snowpack.—
Christa Swanson,
CBS News,
31 Mar. 2026
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The arm-side miss fell in line with a persistent spring-training pattern for Sasaki, who struggled with command from his first Cactus League start through his Freeway Series appearance last week.—
Senior Editor,
Los Angeles Times,
31 Mar. 2026
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 3 Apr. 2026.
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