The meaning of INFALLIBLE is incapable of error : unerring. How to use infallible in a sentence. Did you know?

INFALLIBLE definition: absolutely trustworthy or sure. See examples of infallible used in a sentence.

INFALLIBLE definition: 1. never wrong, failing, or making a mistake: 2. never wrong, failing, or making a mistake: 3…. Learn more.

Definition of infallible adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

1. absolutely trustworthy or sure: an infallible rule. 2. unfailing in effectiveness or operation. 3. not fallible; exempt from liability to error, as persons, their judgment, or pronouncements. 4. (in …

Dec 14, 2025 · Adjective infallible (comparative more infallible, superlative most infallible) Without fault or weakness; incapable of error or fallacy.

Factsheet What does the word infallible mean? There are five meanings listed in OED's entry for the word infallible. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

If a person or thing is infallible, they are never wrong. Although he was experienced, he was not infallible.

Jan 13, 2016 · "Fallible" means capable of making mistakes — or, easier to remember — capable of failing. Infallible means exactly the opposite — incapable of failing. This word is often used …

Without fault or weakness; incapable of error or fallacy. He knows about many things, but even he is not infallible.