1
as in unerring
not being or likely to be wrong
a teacher with an infallible memory for names
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in reliable
not likely to fail
an infallible cure for hiccups
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
England, with only six survivors from its Rugby World Cup champion team last September, ultimately cruised to the six-try victory enhanced by Zoe Harrison's unerring right boot.—
ABC News,
ABC News,
17 May 2026
-
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
Adjective
-
These advancements are made possible with Spectrum’s fiber broadband network and industry-leading reliability and speed, which delivers the fastest and most reliable Internet*, keeping game day viewing seamless and exciting.—
Dennis Johnson,
Oc Register,
8 June 2026
-
For the most part, all reliable and good, though occasionally, particularly during trips off-hours when ridership would fall off, the experience could be dicey with the train car almost empty and a rider shouting, swearing, smoking or even being threatening.—
Chicago Tribune,
Chicago Tribune,
8 June 2026
Adjective
-
Young boys, some no older than five or six, showed off their marksmanship by throwing reeds like spears with perfect accuracy, and the men demonstrated their precision with bow and arrow.—
Literary Hub,
Literary Hub,
11 June 2026
-
The other booking options, which are perfect for families, include two-bedroom suites, three-bedroom villas, and four-bedroom villas, with ocean and beachfront views available.—
Condé Nast,
Condé Nast Traveler,
11 June 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
-
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
-
Last November in Tirana, during a trip where England completed a flawless qualification campaign with a 2-0 win against Albania, Tuchel was asked to reflect on his time with England.—
Jack Pitt-Brooke,
New York Times,
10 June 2026
-
For inspiration on flawless exterior transformations, precision continuous concrete curbing, and high-end borders, a quick scroll through the Border Magic Facebook page demonstrates exactly how custom hardscaping signals to buyers that no expense was spared in the upkeep of the estate.—
Kansas City Star,
Kansas City Star,
8 June 2026
Adjective
-
In a June 3 letter provided to USA TODAY, Steyer's campaign reiterated the importance of counting each vote while urging supporters to make sure their ballot was accepted.—
Phillip M. Bailey,
USA Today,
5 June 2026
-
Be sure to cover your head and neck with your arms, and crawl under a sturdy table if possible.—
CA Earthquake Bot,
Sacbee.com,
5 June 2026
Cite this Entry
“Infallible.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallible. Accessed 12 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
