1
as in unerring
not being or likely to be wrong
a teacher with an infallible memory for names
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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
Unfortunately, our eyes aren’t infallible, perfect organs that always focus the light down to a point on our retinas.
—
Ethan Siegel, Big Think, 19 Aug. 2025
She's also developed an infallible fashion instinct that guides her when balancing relaxed basics with much more daring pieces.
—María Munsuri, Glamour, 9 Aug. 2025
One of the most heartbreaking things about growing up and becoming an adult is realizing that your infallible role models are just as human and as flawed as everyone else – sometimes more so in the slightly unhinged world of professional wrestling.
—Kyle Feldscher, CNN Money, 25 July 2025
This feature is far from infallible, but some Tesla owners are posting videos of it skillfully avoiding collisions.
—Charles Singh, USA Today, 18 July 2025
See All Example Sentences for infallible
Ethan Siegel, Big Think, 19 Aug. 2025
She's also developed an infallible fashion instinct that guides her when balancing relaxed basics with much more daring pieces.
—María Munsuri, Glamour, 9 Aug. 2025
One of the most heartbreaking things about growing up and becoming an adult is realizing that your infallible role models are just as human and as flawed as everyone else – sometimes more so in the slightly unhinged world of professional wrestling.
—Kyle Feldscher, CNN Money, 25 July 2025
This feature is far from infallible, but some Tesla owners are posting videos of it skillfully avoiding collisions.
—Charles Singh, USA Today, 18 July 2025
See All Example Sentences for infallible
Recent Examples of Synonyms for infallible
Adjective
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In 2023, the signs of improvement under Nuno were explosively obvious, as Wood returned to his former club to deliver an unerring demonstration of his finishing power.—
Paul Taylor,
New York Times,
6 Oct. 2025
-
There’s a Shakespearean grandeur to David King, the all-powerful New York music-label boss who’s famous for his unerring ability to spot rising talent.—
Tim Grierson,
Vulture,
15 Aug. 2025
Adjective
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Lithium has been one of the most reliable treatments for bipolar disorder for decades.—
Aamir Khollam,
Interesting Engineering,
9 Oct. 2025
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When renewable energy is paired with large batteries or other forms of grid management, it's proven to be reliable.—
Julia Simon,
NPR,
8 Oct. 2025
Adjective
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Depending on the geometry, this can stretch the background galaxy in arcs, duplicate it into multiple images or form near-perfect circles called Einstein rings.—
Kenna Hughes-Castleberry,
Space.com,
10 Oct. 2025
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The noodles are then served in a cute yellow and green to-go container, perfect for your Instagram story.—
Keith Pandolfi,
Cincinnati Enquirer,
10 Oct. 2025
Adjective
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Developed at the height of the Cold War, GPS was designed by the Pentagon to give US forces an unfailing sense of position anywhere on Earth.—
Kapil Kajal,
Interesting Engineering,
11 Sep. 2025
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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
Adjective
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ClearSpace Plastic Storage Bins 6-Pack, $34 with Prime The Kardashians star’s famously flawless pantry is all thanks to her Amazon organizational hacks.—
Kyra Surgent,
PEOPLE,
8 Oct. 2025
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Falcons, Texans, Jets, Seahawks Baker Mayfield was nearly flawless, completing 29 of 33 passes for 379 yards, two touchdowns and no interceptions as the Bucs’ fourth-quarter magic continued.—
Chad Graff,
New York Times,
7 Oct. 2025
Adjective
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Saints, Panthers Arizona somehow turned an interception into a touchdown for their opponent and fumbled away another sure touchdown in a bad, bad loss on Sunday.—
Chad Graff,
New York Times,
7 Oct. 2025
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There’s also a 50% chance of rain on Monday and 60% chance of rain on Tuesday, sure to add to the water already backed up in the street.—
Alex Harris,
Miami Herald,
6 Oct. 2025
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 13 Oct. 2025.
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