implacable

adjective

(ˌ)im-ˈpla-kə-bəl How to pronounce implacable (audio)
Definition of implacablenext
1
as in adamant
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 But bonding keeps getting interrupted as big, implacable questions rear their head, like wildebeests slowly amassing and waiting to stampede. — Sara Holdren, Vulture, 20 May 2026 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 See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
  1. adamant
  2. relentless
  3. stubborn
  4. grim
  5. steadfast
  6. determined
  7. persistent
Adjective
  • Her mom handmade her dress Parton was adamant about having her mom, Avie Lee Parton, present for her nuptials.
    — Nicole Briese, PEOPLE, 27 Aug. 2026
  • But Coppola was adamant, and Eastman used her leverage to help secure Pacino’s place.
    — Tom Tapp, Deadline, 27 Aug. 2026
Definition of adamant
Adjective
  • The problem is that the action becomes so relentless, so explicitly gory, that a bad aftertaste sets in.
    — Frank Scheck, HollywoodReporter, 2 Sep. 2026
  • As for Jang Geon-young, the relentless prosecutor at the center of Season 1, his fate is left as a mystery.
    — Ophélie Surcouf, Variety, 2 Sep. 2026
Definition of relentless
Adjective
  • Speaking in Jackson Hole, Wyoming late last week, Fed Chairman Kevin Warsh highlighted his worries about stubborn inflation .
    — Darla Mercado, CFP®, CNBC, 31 Aug. 2026
  • Knight set up Darby on a table and hit a springboard clothesline on the stubborn announce table.
    — Alfred Konuwa, Forbes.com, 30 Aug. 2026
Definition of stubborn
Adjective
  • The increasing chances of being taken, whether one is in a church, mosque, school, on a trip to the capital Abuja or resting at home, is a grim reality that should not be the case given Tinubu’s firm campaign pledges.
    — Alexander Onukwue, semafor.com, 31 Aug. 2026
  • The chattiness of Eddy’s dispatches does little to conceal that the novel’s Jamaica is a grim place for gay men.
    — Katy Waldman, New Yorker, 31 Aug. 2026
Definition of grim
Adjective
  • But the same steadfast pursuit that’s placed the attorney at the center of nearly every call for racial justice in the past decade has earned Crump more than a few detractors.
    — Ryan Young, CNN Money, 30 Aug. 2026
  • In spite of the steadfast testimony of those who went over the antlers as meticulously as anyone could, there are still many detractors.
    — Richard P. Smith, Outdoor Life, 27 Aug. 2026
Definition of steadfast
Adjective
  • Sandro Tonali and Adam Wharton were considered as options alongside Anderson and Bouaddi, but Fernandez was the player City were most determined to sign.
    — Tim Spiers, New York Times, 3 Sep. 2026
  • The kitchen is located in the new addition of the house, and Keys was determined to inject it with charm.
    — Rachel Wallace, Architectural Digest, 1 Sep. 2026
Definition of determined
Adjective
  • In his inaugural Jackson Hole speech as chairman, Warsh warned that persistent inflation may necessitate further monetary tightening.
    — William Pesek, Forbes.com, 31 Aug. 2026
  • Mehta increased his price target on FANG stock to $220 from $212 and reiterated a buy rating, citing the company's capital-efficient volume growth as oil prices remain high amid persistent supply disruption in the Middle East.
    — TipRanks.com Staff, CNBC, 30 Aug. 2026
Definition of persistent

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implacable
implant
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Cite this Entry

“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 4 Sep. 2026.

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