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
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of infallible
And never be afraid to change the sequence and tendencies of that infallible trio of pitches, using instinct and feel to amplify his physical talent.
—
Jack Harris, Los Angeles Times, 1 July 2025
Related article With no clear exit strategy in Iran, Israel risks another war with no end
The bomb shelters have not offered infallible protection.
—Oren Liebermann, CNN Money, 16 June 2025
Authoritarian leaders frequently operate from deep insecurity or an overwhelming need to appear infallible.
—Benjamin Laker, Forbes.com, 4 June 2025
An infallible dealmaker, resourceful problem-solver and filmmaker-friendly bon vivant, Ammar has played a pivotal, yet often behind-the-scenes role, in building cultural and cinematic bridges between Europe, the U.S. and the Arab world over the last 50 years.
—Nick Vivarelli, Variety, 14 May 2025
See All Example Sentences for infallible
Jack Harris, Los Angeles Times, 1 July 2025
Related article With no clear exit strategy in Iran, Israel risks another war with no end
The bomb shelters have not offered infallible protection.
—Oren Liebermann, CNN Money, 16 June 2025
Authoritarian leaders frequently operate from deep insecurity or an overwhelming need to appear infallible.
—Benjamin Laker, Forbes.com, 4 June 2025
An infallible dealmaker, resourceful problem-solver and filmmaker-friendly bon vivant, Ammar has played a pivotal, yet often behind-the-scenes role, in building cultural and cinematic bridges between Europe, the U.S. and the Arab world over the last 50 years.
—Nick Vivarelli, Variety, 14 May 2025
See All Example Sentences for infallible
Recent Examples of Synonyms for infallible
Adjective
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The numbers look sensational — his frightening physical profile and an unerring ability to thump a football immensely satisfying on the eye — but there are still burning questions.—
Thom Harris,
New York Times,
7 July 2025
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Incidentally, a good lead dog has an almost unerring sense of direction.—
Ted Updike,
Outdoor Life,
22 May 2025
Adjective
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At 6-foot-2 and 207 pounds, he's displayed reliable hands and a crisp release, looking the part throughout individual drills.—
Zach Sweet,
Kansas City Star,
3 Aug. 2025
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We’re buoyed by recent news that Gov. Hochul has directed the New York Power Authority to build a zero-emission nuclear power plant, and is clear-eyed about how a lack of reliable, affordable power will jeopardize the pro-business climate her administration has been working to foster.—
Linda Baran,
New York Daily News,
3 Aug. 2025
Adjective
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That both the Lonely Island and Zucker, Abrahams and Zucker are comedy trios made up of childhood friends feels significant here somehow, and Schaffer’s point of view is perfect for this property.—
Katie Walsh,
Twin Cities,
1 Aug. 2025
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The wide, adjustable straps won’t dig into your shoulders, and the interior is roomy enough to hold a 14-inch laptop—perfect for sightseeing, day trips, or working on the go.—
Rosie Marder,
Travel + Leisure,
1 Aug. 2025
Adjective
-
Yesterday’s pangrams were gainful, unfailing and unflagging.—
Julia Jacobs,
New York Times,
19 May 2025
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She’s put off by his sweetness, his refusal to respond to her meanness and his unfailing encouragement, expressing pride in her tiniest recovery wins.—
David Rooney,
HollywoodReporter,
3 Sep. 2019
Adjective
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The illusion was flawless, the synchronization perfect.—
Luciana Cemerka,
Forbes.com,
22 July 2025
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Any robotaxi service, Waymo included, needs to be virtually flawless in order to scale the service safely—yet with Tesla there’s no sign of that, according to Martinez.—
Christiaan Hetzner,
Fortune,
20 July 2025
Adjective
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Rina’s mother, a high school art teacher, splurged to send her daughter to a week of robotics camp one summer, but beyond that their middle-class family wasn’t sure how to pay for or expand their daughter’s mechanical interests.—
Michael Cuglietta,
The Orlando Sentinel,
4 Aug. 2025
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Right now, that seems sure to be the date to mark in your calendar.—
David Phelan,
Forbes.com,
4 Aug. 2025
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 8 Aug. 2025.
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