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.

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 …

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

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

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.

Jan 20, 2026 · Adjective infallible (comparative more infallible, superlative most infallible) Without fault or weakness; incapable of error or fallacy.

"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 to …

Infallible refers to someone or something that is incapable of making mistakes or being wrong. It can also describe the inability to fail. It's often used to assert the absolute reliability or …