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
Fernand, her own cousin, who is secretly in love with her; Danglars, an ambitious manipulator; and above all Héloïse de Villefort, the implacable wife of the town prosecutor.
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Melanie Goodfellow, Deadline, 14 Oct. 2025
After all, for more than 30 years, the two South Caucasus countries have been implacable adversaries.
—Thomas De Waal, Foreign Affairs, 22 Sep. 2025
The implacable formalism of much 1960s art strikes a different note beside such pieces.
—Jerry Saltz, Vulture, 19 Sep. 2025
On this score, the president is implacable.
—Ben Smith, semafor.com, 18 Sep. 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.—
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The vinegar cleaning method isn’t foolproof, and sometimes stubborn residue can remain on your microwave walls.—
Adjective
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The relentless Chacon lurched outside after her just as his car door opened and out popped their 6-year-old son, begging his dad to stop.—
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Czechia had trouble handling a relentless Sweden forecheck and tight coverage all over.—
Adjective
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Stephen Miller made these comments on CNN and was adamant that this would happen.—
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Although the film would have been far easier to finance if the production took place in another country, Hadi was adamant about shooting in his homeland.—
Adjective
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Another violent image now joins the grim archive that has made Minnesota an unwilling stage for national trauma for years running.—
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Continue reading … PUT ON NOTICE – Trump discusses expansion of drug cartel crackdown, issues grim warning to Iran.—
Adjective
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What alerted them to her location wasn’t footprints or a cell phone ping, however, but rather the sounds of her steadfast pup, Cami.—
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The year-on-year increases at each major are more modest, usually between 10 and 12 percent, but that percentage of tournament revenue remains steadfast, if not entirely immovable.—
Adjective
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Left in the dark Early in the pandemic, Florida was determined to keep a lid of secrecy on the spread of COVID-19 in long-term care facilities.—
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In a landscape of fear and scarcity, where basic ingredients are nearly impossible to find, Lamia sets out on a determined journey throughout the big city in search of eggs, flour and sugar.—
Adjective
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But the discharges also can overwhelm the delicate estuaries east and west of the state’s largest lake and, during the warm summer months, spread blooms of toxic algae, an issue that has become more persistent in recent years.—
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In Bug, Carrie Coon's Agnes White — an Oklahoma waitress too exhausted to outrun her past — faces a more persistent threat.—
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 12 Jan. 2026.
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