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
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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
As this Premier League campaign has perhaps demonstrated more than most others, Villa do not need to be implacable to achieve their objectives.
—
Jacob Tanswell,
New York Times,
26 Apr. 2026
But absent an oil-rich ally, like Russia or Venezuela, and faced with an implacable enemy, Cuban officials may have no choice but to bring Cuba back into the orbit of American power, at least for now.
—
Joseph J. Gonzalez,
The Conversation,
23 Mar. 2026
But as all the world knows, Edmond Dantès did rise again, transformed from an innocent young sailor into that courtly yet implacable avenger, the Count of Monte Cristo.
—
Michael Dirda,
The New York Review of Books,
19 Mar. 2026
Within a year, Hezbollah was established, becoming one of Israel’s most implacable enemies.
—
Ron Kampeas,
Sun Sentinel,
2 Mar. 2026
See All Example Sentences for implacable
Jacob Tanswell,
New York Times,
26 Apr. 2026
But absent an oil-rich ally, like Russia or Venezuela, and faced with an implacable enemy, Cuban officials may have no choice but to bring Cuba back into the orbit of American power, at least for now.
—
Joseph J. Gonzalez,
The Conversation,
23 Mar. 2026
But as all the world knows, Edmond Dantès did rise again, transformed from an innocent young sailor into that courtly yet implacable avenger, the Count of Monte Cristo.
—
Michael Dirda,
The New York Review of Books,
19 Mar. 2026
Within a year, Hezbollah was established, becoming one of Israel’s most implacable enemies.
—
Ron Kampeas,
Sun Sentinel,
2 Mar. 2026
See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
Adjective
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The weather service’s forecast discussion for Kansas City said the stubborn heat could last through the Fourth of July.
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Against all odds, the stubborn housing market has become a hotspot for young talent.
Adjective
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Swiss brand On is rapidly disrupting Nike's long-standing dominance in the global running footwear market, alongside Hoka, by prioritizing relentless innovation over celebrity endorsements.
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The story of America is a story of industry, technical skill, and relentless optimism for what the future holds.
Adjective
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While waiting to go to court, Zaayer remained adamant that Shawna needed to go to prison but was also convinced that David — who worked at the nearby jail — was protecting his wife from receiving an adequate punishment, per The Guardian.
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But Senate Majority Leader John Thune (R-SD) has been adamant that there are not enough votes in the Senate to pass the legislation, given the 60-vote filibuster threshold.
Adjective
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The tragedy marks the first deaths for the US Wildland Fire Service, a grim milestone for the new federal agency, which launched in January to coordinate firefighting efforts on public land.
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While that’s a grim statistic, change is possible.
Adjective
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The Federal Reserve’s steadfast period of low interest rates in the 2000s was criticized as contributing to a housing bubble in the 2000s, followed by the mortgage crisis of 2007 and the Great Recession the following year.
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With the almighty Sun highlighting your 7th House of Partnership, commitments benefit from structure that includes realistic timelines and steadfast follow-through.
Adjective
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All etched into the face of a man who spent his presidency fighting to hold together a nation that seemed determined to tear itself apart.
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Well, Ariana seems to remember, whereas Hudson is determined to just undo the breakup and pretend like none of it ever happened.
Adjective
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The launch includes five solution categories—Restaurant Assistant, Packer, Picker, Folder, and Host—targeting persistent labor shortages in sectors such as industrial operations, logistics, healthcare, food services, lodging, and experiential venues.
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Why is this padding so persistent?
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 5 Jul. 2026.
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