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
Examples are automatically compiled from online sources to
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Recent Examples of implacable
Williams’ cellos pounding those notes over and over, with tuba over them, created a true character for the shark: Relentless, implacable, all-devouring.
—
David Ehrlich, IndieWire, 20 Aug. 2025
Now working as a police dispatcher, the only thing that has kept him going is his implacable refusal to accept that she might be gone forever.
—Anthony D'alessandro, Deadline, 21 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
See All Example Sentences for implacable
David Ehrlich, IndieWire, 20 Aug. 2025
Now working as a police dispatcher, the only thing that has kept him going is his implacable refusal to accept that she might be gone forever.
—Anthony D'alessandro, Deadline, 21 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
See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
Adjective
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These two ingredients mixed together creates a powerful mixture perfect for lifting stubborn stains off grout because of their high cleaning and brightening properties.—
Ashlyn Needham,
Southern Living,
10 Oct. 2025
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Scientists have discovered a cleaner, faster way to recycle one of the world’s most stubborn plastics, not with heat or chemicals, but with sheer mechanical force.—
Neetika Walter,
Interesting Engineering,
10 Oct. 2025
Adjective
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Our sky is constantly changing as the relentless passing of the seasons and movement of the planets, moon, comets and Earth itself bring an ever-shifting array of astronomical targets into view.—
Anthony Wood,
Space.com,
14 Oct. 2025
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By hypothesizing that a phase of relentless, exponential expansion preceded and set up the hot Big Bang, inflation implies the following.—
Big Think,
Big Think,
14 Oct. 2025
Adjective
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Paxton, however, has remained adamant that Roberson is guilty of murder.—
Erik Ortiz,
NBC news,
9 Oct. 2025
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Republicans remain adamant that any action on, and the details of, reviving the subsidies would have to wait until the government reopens.—
Burgess Everett,
semafor.com,
9 Oct. 2025
Adjective
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Unlike the grim feeling around schools like Florida, everyone here desperately wants Venables to be the right guy.—
Chris Vannini,
New York Times,
9 Oct. 2025
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Jill Biden, meanwhile, is portrayed as a grim figure.—
Amy Davidson Sorkin,
New Yorker,
8 Oct. 2025
Adjective
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And yet, flipping through Erdem’s new book with him in his showroom — a celebration of 20 years in business — I was struck by how steadfast his vision remains.—
Rhonda Richford,
Footwear News,
8 Oct. 2025
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However, the qualities that have driven the company this far, resilience, innovation, and a steadfast dedication to people and partners, will continue to be at the heart of its efforts going forward.—
Maria Williams,
USA Today,
8 Oct. 2025
Adjective
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The general store, which was built in 1796 and is the oldest in Vermont, has survived several fires, thanks to the efforts of determined Putney residents.—
Megan Margulies,
Travel + Leisure,
11 Oct. 2025
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Proctor hasn’t scored yet this season, but the Crimson Tide look determined to get him in the end zone.—
David Ubben,
New York Times,
11 Oct. 2025
Adjective
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The project Mtmarfga is the result of long conversations with Mulaha and uses her as a representation of what many Sahrawis in the diaspora endure, reflecting on their persistent invisibility in the media and collective imagination.—
Vogue,
Vogue,
9 Oct. 2025
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Humanoid designs often face persistent challenges with walking stability, arm dexterity, and battery consumption, problems that are both software- and hardware-related.—
Kaif Shaikh,
Interesting Engineering,
8 Oct. 2025
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 15 Oct. 2025.
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