infallible
adjective
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Watch out when you hear about infallible predictions, an infallible plan, an infallible cure, or even infallible lip gloss. Infallible isn't a claim that scientists, engineers, and doctors like to make, so you're probably getting better information when the word not comes first. You may have heard the phrase "papal infallibility", which refers to the official position of the Roman Catholic church, adopted in the 19th century, that certain solemn statements made by a Pope about faith or morals were not to be questioned. Popes since then have been careful not to make many of these statements.
Examples of infallible in a Sentence
David Lyons, Sun Sentinel, 1 Aug. 2024
But, as viewers who’ve lived through the past four years already know, the assumption that wealth and seclusion alone are infallible defenses against a pandemic attacking society from all angles is hopelessly naive.
—Judy Berman, TIME, 25 July 2024
The supposedly infallible advice enshrined in the Washington consensus ended up triggering multiple financial crises.
—Daniel W. Drezner, Foreign Affairs, 16 Apr. 2019
However, like all computer systems, AI is not infallible.
—Laura McCreddie-Doak, WIRED, 20 July 2024
See all Example Sentences for infallible 
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'infallible.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near infallible
Cite this Entry
“Infallible.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infallible. Accessed 19 Aug. 2024.
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infallible
adjective
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