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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As always, Reichardt’s impeccable craft is front and center: the film’s naturalism and remarkable period detail creating a portrait of unerring authenticity and psychological mystery.—
Jill Goldsmith,
Deadline,
5 Aug. 2025
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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
Adjective
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Also moving across is Alpecin Deceuninck’s Edward Planckaert, known for his one-day and stage racing and being a reliable cog in sprint leadouts.—
Jessica Hopkins,
New York Times,
15 Aug. 2025
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Blackouts have nevertheless become a common occurrence in the country's scorching summers, and shorter power cuts take place almost daily, with many Iraqis depending on private generators for reliable power — while those without that access are left to suffer.—
Natasha Turak,
CNBC,
15 Aug. 2025
Adjective
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Of course, this Saturday would be a perfect time to visit the exhibition as the Spirit of ’45 Living History Day and Swing Dance will be taking place, starting at 2 p.m.—
Sal Pizarro,
Mercury News,
13 Aug. 2025
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For the first three innings, Liberatore was perfect, but the Rockies reached him for three hits in the fourth and ran him off the mound in the fifth.—
Patrick Saunders,
Denver Post,
13 Aug. 2025
Adjective
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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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That means not just planning a flawless itinerary, but also investing in travel accessories that provide comfort and security throughout the trip.—
Genevieve Cepeda,
Travel + Leisure,
17 Aug. 2025
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The organizations winning right now aren’t those with flawless rollouts.—
Farah Ayadi,
Forbes.com,
15 Aug. 2025
Adjective
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Calls of three and four clubs agree diamonds, for sure.—
Deb Harvell,
Arkansas Online,
17 Aug. 2025
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Regardless of where the browser goes, Opera’s pretty sure about the future of the internet itself.—
John Koetsier,
Forbes.com,
16 Aug. 2025
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 26 Aug. 2025.
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