IMPLACABLE Synonyms: 128 Similar and Opposite Words

implacable

adjective

(ˌ)im-ˈpla-kə-bəl

Definition of implacable

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

Synonyms & Similar Words

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Antonyms & Near Antonyms

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

Adjective

Schnell was adamant that the film crew couldn’t provide any help to him.

— Georg Szalai, HollywoodReporter, 17 Oct. 2026
Lander was adamant that rezonings didn’t have to go the way of Williamsburg.

— Kim Velsey, Curbed, 9 Oct. 2026

Definition of adamant

Adjective

The relentless spread of energy-hungry data centers is pushing demand higher still.

— Philip H. Gordon, Foreign Affairs, 12 Oct. 2026
The 16-track set is a truly thrilling journey through the relentless ambition and restless psyche of a young Black woman who’s dedicated her life to navigating the notoriously tumultuous music industry.

— Kyle Denis, Billboard, 12 Oct. 2026

Definition of relentless

Adjective

The interior drew its own grim commentary—a few guests expressed feeling a sudden compulsion to jump from the top of the spiral ramp to their death.

— Wendy S. Walters, Architectural Digest, 12 Oct. 2026
Footage obtained exclusively by CNN and testimony from those who were on the mountain paint a more detailed picture than before of Morup, the man who died serving his country and is now the goal of one of mountaineering’s grimmest challenges.

— Helen Regan, CNN Money, 10 Oct. 2026

Definition of grim

Adjective

Meanwhile, waiting in the wings is a man of few words — and initially, few feelings, or so thinks Marianne — the steadfast Colonel Brandon (Herbert Nordrum).

— ABC News, ABC News, 14 Oct. 2026
The poem continues with more verses about Burns’s steadfast love, but beyond that, nothing really happens.

— René Ostberg, Encyclopedia Britannica, 14 Oct. 2026

Definition of steadfast

Adjective

The finance chiefs ended the meeting without a joint communique, underscoring persistent divisions among members over the Middle East conflict, trade imbalances, and Russia's war with Ukraine.

— Anniek Bao, CNBC, 16 Oct. 2026
When deployed in numbers, Archimedes units form a resilient defense grid, creating persistent protection for forces, facilities, and critical infrastructure.

— Prabhat Ranjan Mishra, Interesting Engineering, 16 Oct. 2026

Definition of persistent

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implacability

implacable

implant

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“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 20 Oct. 2026.

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Synonyms of implacable

adjective

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