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
Holding the two halves together builds something that neither half could make alone, and treating either as infallible turns them into engines for manufacturing enemies and alienating friends.
—
Robert T.f. Downes, Hartford Courant, 6 Jan. 2026
Experts are not infallible, science evolves, new facts emerge.
—Bill Goodykoontz, AZCentral.com, 6 Jan. 2026
From the mysterious East, now comes Carrnac the Magnificent with his infallible predictions for the New Year, 2026.
—Howie Carr, Boston Herald, 31 Dec. 2025
Israeli leaders are hardly infallible in their judgments, including about developments in their own region.
—Andrew P. Miller, Foreign Affairs, 5 Dec. 2025
See All Example Sentences for infallible
Robert T.f. Downes, Hartford Courant, 6 Jan. 2026
Experts are not infallible, science evolves, new facts emerge.
—Bill Goodykoontz, AZCentral.com, 6 Jan. 2026
From the mysterious East, now comes Carrnac the Magnificent with his infallible predictions for the New Year, 2026.
—Howie Carr, Boston Herald, 31 Dec. 2025
Israeli leaders are hardly infallible in their judgments, including about developments in their own region.
—Andrew P. Miller, Foreign Affairs, 5 Dec. 2025
See All Example Sentences for infallible
Recent Examples of Synonyms for infallible
Adjective
-
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
-
The Giants became the first National League team to seven losses, and although 10 games is not a representative sample, there’s never a good time in a season for a team’s most reliable veterans to play sloppily or make decisions on tilt.—
Andrew Baggarly,
New York Times,
6 Apr. 2026
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These are not tools that belong in a corporate leader’s operational playbook, but products of necessity arising from the absence of reliable governance.—
Jeffrey Sonnenfeld,
Fortune,
6 Apr. 2026
Adjective
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Either way, this decisive energy favors clear asks and tangible action over chasing perfect conditions.—
Tarot.com,
New York Daily News,
9 Apr. 2026
-
Johansson took a perfect pass from Boldy right on the doorstep to beat Kraken goalie Joey Daccord, who finished with 24 saves.—
CBS News,
CBS News,
8 Apr. 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
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Hyaluronic acid and collagen help visibly hydrate and plump skin, smoothing the appearance of lines, crow’s feet and crepey texture for a flawless makeup look.—
Tory Johnson,
ABC News,
7 Apr. 2026
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With their flawless tresses blowing in the wind, the original trio (from left, Kate Jackson, Farrah Fawcett and Jaclyn Smith) locked arms during a photoshoot in June 1976.—
Stephanie Sengwe,
PEOPLE,
7 Apr. 2026
Adjective
-
The state knew the problem was extensive, but wasn’t sure where the leaks were.—
Ashley Miznazi,
Miami Herald,
9 Apr. 2026
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Others aren’t so sure, pointing to the long hiatus, the off-screen turmoil and a television landscape that no longer moves in lockstep.—
Precious Fondren,
Los Angeles Times,
9 Apr. 2026
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 12 Apr. 2026.
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