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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England, with only six survivors from its Rugby World Cup champion team last September, ultimately cruised to the six-try victory enhanced by Zoe Harrison's unerring right boot.—
ABC News,
ABC News,
17 May 2026
-
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
Adjective
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Final word Ultra professional and utterly reliable, Chiva-Som deserves every accolade.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
-
The malware devotes considerable attention to CI/CD (continuous integration/continuous delivery) systems, which allow for faster and more reliable software releases by automating the building, testing, and deploying of code changes.—
Dan Goodin,
ArsTechnica,
1 June 2026
Adjective
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Surrendering to a relaxing massage with a pungent herbal oil—one treatment among many of Sisley’s top-notch line of Phyto-aromatic beauty products—was in perfect sync with the luxe countryside spirit.—
Condé Nast,
Condé Nast Traveler,
4 June 2026
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The game, which was developed in mid-19th century China, requires mental focus and strategic thinking, providing a perfect workout for the brain.—
Lauren Pastrana,
CBS News,
4 June 2026
Adjective
-
Every detail is absolutely flawless, from the friendly doormen to the impeccable lobby.—
Condé Nast,
Condé Nast Traveler,
2 June 2026
-
Technology is visually impressive, although not entirely flawless in execution.—
Matthew MacConnell,
Forbes.com,
1 June 2026
Adjective
-
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 4 Jun. 2026.
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