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
-
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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These advancements are made possible with Spectrum’s fiber broadband network and industry-leading reliability and speed, which delivers the fastest and most reliable Internet*, keeping game day viewing seamless and exciting.—
Dennis Johnson,
Oc Register,
8 June 2026
-
For the most part, all reliable and good, though occasionally, particularly during trips off-hours when ridership would fall off, the experience could be dicey with the train car almost empty and a rider shouting, swearing, smoking or even being threatening.—
Chicago Tribune,
Chicago Tribune,
8 June 2026
Adjective
-
Young boys, some no older than five or six, showed off their marksmanship by throwing reeds like spears with perfect accuracy, and the men demonstrated their precision with bow and arrow.—
Literary Hub,
Literary Hub,
11 June 2026
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The other booking options, which are perfect for families, include two-bedroom suites, three-bedroom villas, and four-bedroom villas, with ocean and beachfront views available.—
Condé Nast,
Condé Nast Traveler,
11 June 2026
Adjective
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Last November in Tirana, during a trip where England completed a flawless qualification campaign with a 2-0 win against Albania, Tuchel was asked to reflect on his time with England.—
Jack Pitt-Brooke,
New York Times,
10 June 2026
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For inspiration on flawless exterior transformations, precision continuous concrete curbing, and high-end borders, a quick scroll through the Border Magic Facebook page demonstrates exactly how custom hardscaping signals to buyers that no expense was spared in the upkeep of the estate.—
Kansas City Star,
Kansas City Star,
8 June 2026
Adjective
-
Even credible sources are not necessarily infallible.—
Christian Perry,
Forbes.com,
11 June 2026
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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
Cite this Entry
“Unfailing.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfailing. Accessed 13 Jun. 2026.
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