implacable

adjective

(ˌ)im-ˈpla-kə-bəl How to pronounce implacable (audio)
Definition of implacablenext
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

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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
Recent Examples of Synonyms for implacable
  1. stubborn
  2. relentless
  3. adamant
  4. grim
  5. steadfast
  6. determined
  7. persistent
Adjective
  • Have a stubborn stain or lingering odor somewhere in your home?
    — Caroline Lubinsky, Martha Stewart, 3 Aug. 2026
  • Pair them with the Corn Boats so your cob doesn't roll away; the incredibly handy Corn Stripper, which removes kernels from the cob in one smooth, easy motion; and the Corn Brush, which removes stubborn corn silk easily.
    — ABC News, ABC News, 3 Aug. 2026
Definition of stubborn
Adjective
  • Much of the tension comes from Shaw’s relentless badgering of Dreyfuss, a dynamic that can grow somewhat repetitive as the play progresses.
    — Michelle F. Solomon, Miami Herald, 29 July 2026
  • The food and beverage industry is shifting its focus from relentless novelty to leveraging familiarity and consumer trust.
    — Louis Biscotti, Forbes.com, 29 July 2026
Definition of relentless
Adjective
  • Dart completed a checkdown to running back Devin Singletary for short gain after a false start, although Carter was adamant he should have been credited with a sack after beating Thomas.
    — Dan Duggan, New York Times, 30 July 2026
  • That’s because Warsh has been adamant about not wanting to broadcast his views on where interest rates should.
    — Jeanne Sahadi, CNN Money, 29 July 2026
Definition of adamant
Adjective
  • Judging from this album, a lot of grim topics have taken up residence there.
    — Zach Schonfeld, Pitchfork, 3 Aug. 2026
  • Wasp was a welcome breath of fresh Marvel air after the grim finale of Infinity War, but that’s not enough to justify its entry into the top 20.
    — EW Staff, Entertainment Weekly, 3 Aug. 2026
Definition of grim
Adjective
  • And many on Wall Street remain steadfast in their belief that this cycle won’t be any different.
    — Ryan Vlastelica, Fortune, 2 Aug. 2026
  • Herrera proactively trains staff for potential immigration enforcement, creating vital protocols due to a lack of external business guidance, embodying a steadfast commitment to protecting its community.
    — Stephanie Gravalese, Forbes.com, 1 Aug. 2026
Definition of steadfast
Adjective
  • Meanwhile, the Philippines keeps showing the world how a determined state can fight and win on the legal battlefield.
    — Jill Goldenziel, Forbes.com, 30 July 2026
  • Having spent decades watching powerful men evade justice, Nora is doubly determined to bring this one down, and regards Catherine’s vigilantism as an obstacle to a larger victory.
    — Inkoo Kang, New Yorker, 30 July 2026
Definition of determined
Adjective
  • The Perseids are particularly fast and often leave persistent glowing trails.
    — Jamie Carter, Forbes.com, 3 Aug. 2026
  • Collins has long been open about his struggles with alcohol addiction, which in part was spurred by the health issues related to his persistent back injuries.
    — Daniel Kreps, Rolling Stone, 2 Aug. 2026
Definition of persistent

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Cite this Entry

“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 6 Aug. 2026.

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Nglish: Translation of implacable for Spanish Speakers

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