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
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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For years, scientists have focused on finding ways to neutralize or eliminate this stubborn waste.—
Neetika Walter,
Interesting Engineering,
26 Sep. 2025
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That ever-persistent chasm that has existed between white students and those of color in public schools has remained stubborn in Michigan, where more than 18% of Michigan's public school students are Black.—
Lily Altavena,
Freep.com,
25 Sep. 2025
Adjective
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Parrilla’s character is described as the ruthless proprietor of a shadowy electronic brothel whose obsession sets her on a relentless pursuit.—
Matt Grobar,
Deadline,
30 Sep. 2025
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But against relentless pressure from both the Green Bay Packers and Lions, Flacco, on multiple occasions, kept things from getting worse by avoiding sacks and other disastrous plays.—
Zac Jackson,
New York Times,
30 Sep. 2025
Adjective
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While the police union is adamant the city needs to provide them raises, some community advocates have spoken out, arguing the police department already takes up a significant amount of the city's budget.—
Kelli Arseneau,
jsonline.com,
25 Sep. 2025
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And in a now-viral TikTok, Stunna was adamant about denying last-minute plus-ones to his wedding.—
Nathan Vinson,
PEOPLE,
24 Sep. 2025
Adjective
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Molina, a window dresser imprisoned for public indecency, escapes the grim reality of their confinement by retelling the plot of a glamorous Hollywood musical featuring his favorite silver screen diva, Ingrid Luna (Jennifer Lopez).—
Clayton Davis,
Variety,
24 Sep. 2025
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This one revealed fresh cause for concern, and a much more grim prognosis.—
Josh Crutchmer,
Rolling Stone,
24 Sep. 2025
Adjective
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For 19 years, its dedicated staff and steadfast supporters have provided vital care to over 100,000 young people across southern Africa, including young people living with HIV/AIDS and those facing mental health challenges.—
Stephanie Petit,
PEOPLE,
23 Sep. 2025
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After that harrowing hike up the boulder field, the nerve-wracking exposure of our search site has pushed even this steadfast high-drive purebred over threshold.—
Ted Katauskas,
Outside,
23 Sep. 2025
Adjective
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After Europe claimed the Cup in Rome in 2023, Team USA is determined to reclaim it on home soil.—
Katie Ann Lehman,
Variety,
25 Sep. 2025
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But things start to unravel when Abbie and Leila become determined to break free from the facility.—
Allison DeGrushe,
Entertainment Weekly,
25 Sep. 2025
Adjective
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Yet that same 30-year period saw a flurry of research and activity to try to reduce geriatric falls and their potentially devastating consequences, from hip fractures and brain bleeds to restricted mobility, persistent pain, and institutionalization.—
Paula Span,
Miami Herald,
25 Sep. 2025
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While lower rates can stimulate hiring and investment, persistent inflation and stronger-than-expected GDP growth may complicate future decisions.—
Amanda Castro,
MSNBC Newsweek,
25 Sep. 2025
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 2 Oct. 2025.
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