1
as in unerring
not being or likely to be wrong
an unfailing judge of personal character
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in reliable
not likely to fail
the writer's unfailing sense of humor is again evident in his newest book
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unfailing
In a world where trust now comes at a premium, trust in your GenAI strategy starts with trusting the data that fuels it, and the most unfailing data in your business lives in your contracts.
—
Monish Darda, Forbes.com, 8 Sep. 2025
Yesterday’s pangrams were gainful, unfailing and unflagging.
—Julia Jacobs, New York Times, 19 May 2025
What is most important, always, is an unfailing loyalty to Trump.
—Constance Grady, Vox, 25 Apr. 2025
One unfailing test of a country’s civilization, Winston Churchill once stated, lies in the mood of the public toward the treatment of crime and criminals.
—The Christian Science Monitor, Christian Science Monitor, 25 Apr. 2025
See All Example Sentences for unfailing
Monish Darda, Forbes.com, 8 Sep. 2025
Yesterday’s pangrams were gainful, unfailing and unflagging.
—Julia Jacobs, New York Times, 19 May 2025
What is most important, always, is an unfailing loyalty to Trump.
—Constance Grady, Vox, 25 Apr. 2025
One unfailing test of a country’s civilization, Winston Churchill once stated, lies in the mood of the public toward the treatment of crime and criminals.
—The Christian Science Monitor, Christian Science Monitor, 25 Apr. 2025
See All Example Sentences for unfailing
Recent Examples of Synonyms for unfailing
Adjective
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So the head golf pro there needs to not only know the game and its rules, but also must have the unerring instincts of an excellent cruise director combined with an air traffic controller.—
Scott Fowler,
Charlotte Observer,
6 Feb. 2026
-
Aaronson’s finishes were unerring and clinical.—
Beren Cross,
New York Times,
8 Jan. 2026
Adjective
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Julian Champagnie took over Harrison Barnes’ starting spot in San Antonio and has been an athletic upgrade who is durable and reliable while providing accurate volume shooting.—
Law Murray,
New York Times,
18 May 2026
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Each of these shifts depend on market data that is reliable, licensed and machine-readable in ways legacy infrastructure was not built to deliver.—
Mike Cahill,
Forbes.com,
18 May 2026
Adjective
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Nations are made up of individuals, and the dealings of government with individuals are the ultimate and perfect test of its constitutional character.—
Ruth Marcus,
New Yorker,
21 May 2026
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Will Game 1 in Hamilton be perfect?—
Hailey Salvian,
New York Times,
21 May 2026
Adjective
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Grace Todd, who collected her 100th career hit in a 3-for-4 day against Attleboro, plays a flawless second base and has at least nine multi-hit performances.—
Tom Mulherin,
Boston Herald,
19 May 2026
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Since his high school years, Jordan has gone on to become regarded as one of the greatest basketball players of all time due to his flawless 6-0 record in the NBA Finals, his incomparable scoring dominance and his unmatched competitive drive.—
Skyler Caruso,
PEOPLE,
18 May 2026
Adjective
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Similar to human drivers, Zoox's AI and safety systems aren't infallible, but the test ride vehicle didn't exhibit any odd behaviors that seemed problematic or scary for occupants.—
Charles Singh,
USA Today,
11 May 2026
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The presumption that my doctor was infallible.—
Nick Lichtenberg,
Fortune,
3 May 2026
Cite this Entry
“Unfailing.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfailing. Accessed 23 May. 2026.
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