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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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
-
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
-
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
-
Will Game 1 in Hamilton be perfect?—
Hailey Salvian,
New York Times,
21 May 2026
Adjective
-
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
-
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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For a successful but not world-conquering rapper like Rashad, making a living relies on making sure that fans continue to feel connected to him.—
Kelefa Sanneh,
New Yorker,
15 May 2026
-
Make sure you guys get your news from reputable sources!—
Nick Harris,
Fort Worth Star-Telegram,
14 May 2026
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 23 May. 2026.
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