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
Synonyms & Similar Words
Relevance
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
Political leaders in both countries found advantage by pointing to an implacable foe at critical moments of domestic vulnerability.
—
William Hurst, Foreign Affairs, 3 July 2025
Blue metal boxes on posts line the roadway, a slot beckoning a few coins to the Imam Khomeini Relief Foundation, named for the cleric who, in 1979, turned Iran from Israel’s stalwart ally to its implacable foe.
—Karl Vick, Time, 13 June 2025
The compulsion of doctors to write, then, may simply be an extension of the reason so many of us entered medicine—an implacable curiosity about how people tick.
—Danielle Ofri, New Yorker, 7 June 2025
So many of these shows focus on the futility or grim determination or flawed goofiness of a few individuals set against the massive implacable nightmare of giant institutions.
—Kathryn Vanarendonk, Vulture, 17 May 2025
See All Example Sentences for implacable
William Hurst, Foreign Affairs, 3 July 2025
Blue metal boxes on posts line the roadway, a slot beckoning a few coins to the Imam Khomeini Relief Foundation, named for the cleric who, in 1979, turned Iran from Israel’s stalwart ally to its implacable foe.
—Karl Vick, Time, 13 June 2025
The compulsion of doctors to write, then, may simply be an extension of the reason so many of us entered medicine—an implacable curiosity about how people tick.
—Danielle Ofri, New Yorker, 7 June 2025
So many of these shows focus on the futility or grim determination or flawed goofiness of a few individuals set against the massive implacable nightmare of giant institutions.
—Kathryn Vanarendonk, Vulture, 17 May 2025
See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
Adjective
-
Viewers were quick to point out the hilarity of the dog's stubborn protest, with many suggesting that the dachshund had already claimed permanent rights to the bed.—
Melissa Fleur Afshar,
MSNBC Newsweek,
12 Sep. 2025
-
The stubborn myth that Jews are too safe to be targets is colliding with a painful new reality.—
Andrew Weinstein,
Time,
12 Sep. 2025
Adjective
-
Despite relentless political attacks and courtroom challenges, nearly all anti-DEI shareholder resolutions have failed, rejected by overwhelming margins at companies like Apple, Coca-Cola, and Berkshire Hathaway.—
Essence,
Essence,
9 Sep. 2025
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Where Welch pursued relentless growth and shareholder value maximization, Chouinard deliberately restrained Patagonia's expansion.—
Kyle Westaway,
Forbes.com,
9 Sep. 2025
Adjective
-
However, her mother is adamant about keeping the canine off the antique chair.—
Liz O'Connell,
MSNBC Newsweek,
10 Sep. 2025
-
Sandlin was adamant that his engineering team has done everything possible to ensure no adverse impact to neighboring properties.—
Matthew Adams,
Fort Worth Star-Telegram,
8 Sep. 2025
Adjective
-
But in recent years, acts of brazen violence have been the grim drumbeat of a debased national politics.—
Eric Cortellessa,
Time,
11 Sep. 2025
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Despite that progress, pancreatic cancer holds the grim record for having a survival rate of only 13% across five years – the lowest of all.—
Atharva Gosavi,
Interesting Engineering,
10 Sep. 2025
Adjective
-
Our administration must remain steadfast in ensuring that those who put in the work receive the benefits of their efforts.—
Ruth Vitale,
Deadline,
10 Sep. 2025
-
The engineering professor is steadfast that nearly all jobs will be taken over by AI—even most of the ones that have a special human touch, like teachers and car drivers.—
Emma Burleigh,
Fortune,
9 Sep. 2025
Adjective
-
Saúl is a fixture at his father's bouts and already seems determined to follow in his father’s footsteps.—
Nasha Smith,
PEOPLE,
13 Sep. 2025
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Her flippers, each more than two feet long, scooped out sand and flung it to her sides in slow, determined strokes.—
M. Rajshekhar,
Time,
11 Sep. 2025
Adjective
-
Very persistent stream of bubbles; aromas of golden apples, lemon peel and yellow poppy.—
Tom Hyland,
Forbes.com,
11 Sep. 2025
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Unequal wage growth adds to persistent wage gaps Certain demographic groups saw their incomes rise faster than others between 2023 and 2024.—
Kamaron McNair,
CNBC,
11 Sep. 2025
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 15 Sep. 2025.
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