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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of implacable
Fernand, her own cousin, who is secretly in love with her; Danglars, an ambitious manipulator; and above all Héloïse de Villefort, the implacable wife of the town prosecutor.
—
Melanie Goodfellow, Deadline, 14 Oct. 2025
After all, for more than 30 years, the two South Caucasus countries have been implacable adversaries.
—Thomas De Waal, Foreign Affairs, 22 Sep. 2025
The implacable formalism of much 1960s art strikes a different note beside such pieces.
—Jerry Saltz, Vulture, 19 Sep. 2025
On this score, the president is implacable.
—Ben Smith, semafor.com, 18 Sep. 2025
See All Example Sentences for implacable
Melanie Goodfellow, Deadline, 14 Oct. 2025
After all, for more than 30 years, the two South Caucasus countries have been implacable adversaries.
—Thomas De Waal, Foreign Affairs, 22 Sep. 2025
The implacable formalism of much 1960s art strikes a different note beside such pieces.
—Jerry Saltz, Vulture, 19 Sep. 2025
On this score, the president is implacable.
—Ben Smith, semafor.com, 18 Sep. 2025
See All Example Sentences for implacable
Recent Examples of Synonyms for implacable
Adjective
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If that doesn’t solve the problem, try scrubbing stubborn spots with Bar Keeper’s Friend and a nonabrasive sponge.—
Jessica Elliott,
Dallas Morning News,
10 Feb. 2026
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Rusk recommends using wash and styling products that don’t contain silicones (like dimethicone), which can cause a stubborn coating to accumulate that clogs follicles on the scalp and prevents the hair from absorbing moisturizing ingredients.—
Rebecca Strong,
USA Today,
10 Feb. 2026
Adjective
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At a moment when residents are struggling more than ever, facing a severe shortage of affordable housing, limited access to Medicaid, and the relentless rise in grocery prices, lawmakers in Tallahassee have chosen instead to advance HB 31 and SB 1106.—
Adam Abutaa,
Sun Sentinel,
8 Feb. 2026
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Still, the tech giant is facing a growing set of challenges, from intensifying competition to lingering concerns of an AI bubble and relentless pressure to demonstrate growth after several explosive quarters.—
Rosa de Acosta,
CNN Money,
7 Feb. 2026
Adjective
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Norma Padgett Upshaw, who remained adamant that the four men were the ones involved in her assault, died in 2024.—
News Service Of Florida,
The Orlando Sentinel,
13 Feb. 2026
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Suleyman’s vision for Microsoft Suleyman is adamant about the technology’s potential.—
Jake Angelo,
Fortune,
13 Feb. 2026
Adjective
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County public health officials painted a grim picture of what life looks like for the poorest and sickest residents if new money doesn’t flow into the system.—
Rebecca Ellis,
Los Angeles Times,
11 Feb. 2026
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Reddit boards hosting discussions of the case offer grim evidence of the concession.—
Megan Garber,
The Atlantic,
11 Feb. 2026
Adjective
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Fennell teases out the tricky evolution of the characters’ deep bond, from steadfast sibling affection toward a combative, quasi-incestuous desire.—
Justin Chang,
New Yorker,
9 Feb. 2026
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The band remained steadfast in the commitment despite many other acts bowing out.—
Bethy Squires,
Vulture,
8 Feb. 2026
Adjective
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Meanwhile, Venus Williams, the 45-year-old, seven-time Grand Slam singles champion, appears determined to keep trying to win tennis matches at an age when most players have long retired.—
James Hansen,
New York Times,
9 Feb. 2026
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According to the release, 15 participating dogs have special needs, including Wynonna, a determined pup with only three legs; and Eleanor, who is both deaf and vision-impaired.—
Chris Sims,
IndyStar,
8 Feb. 2026
Adjective
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Witters attributed that persistent pessimism to political partisanship.—
Jake Angelo,
Fortune,
10 Feb. 2026
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During his tenure, Massachusetts education leaders faced a mix of progress and persistent challenges.—
State House News Service,
Boston Herald,
10 Feb. 2026
Cite this Entry
“Implacable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/implacable. Accessed 15 Feb. 2026.
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