1
as in unerring
not being or likely to be wrong
a teacher with an infallible memory for names
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in reliable
not likely to fail
an infallible cure for hiccups
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of infallible
Not a great job, mind you, and certainly not an infallible one.
—
Sean McIndoe, New York Times, 24 Apr. 2026
This is not an infallible statement that Pope Leo made.
—Zak Hudak, CBS News, 22 Apr. 2026
If play is the show’s law, the infallible resilience of family structure is its moral core.
—Jean Garnett, New Yorker, 18 Apr. 2026
Despite the show’s insistence that Robby is flawed, he’s also portrayed as medically infallible.
—Kathryn Vanarendonk, Vulture, 17 Apr. 2026
See All Example Sentences for infallible
Sean McIndoe, New York Times, 24 Apr. 2026
This is not an infallible statement that Pope Leo made.
—Zak Hudak, CBS News, 22 Apr. 2026
If play is the show’s law, the infallible resilience of family structure is its moral core.
—Jean Garnett, New Yorker, 18 Apr. 2026
Despite the show’s insistence that Robby is flawed, he’s also portrayed as medically infallible.
—Kathryn Vanarendonk, Vulture, 17 Apr. 2026
See All Example Sentences for infallible
Recent Examples of Synonyms for infallible
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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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
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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
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His unfailing commitment to civilian authority gave time for government institutions to sink roots, and established norms that gelled into the professional ethos of our military today.—
Kori Schake,
The Atlantic,
22 Mar. 2026
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The young monarch is thought to have spent an hour alone before taking up her duties with the unfailing stoicism that would come to define her historic reign.—
Hope Coke,
Vanity Fair,
7 Feb. 2026
Adjective
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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
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In a June 3 letter provided to USA TODAY, Steyer's campaign reiterated the importance of counting each vote while urging supporters to make sure their ballot was accepted.—
Phillip M. Bailey,
USA Today,
5 June 2026
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Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.—
CA Earthquake Bot,
Sacbee.com,
5 June 2026
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 9 Jun. 2026.
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