Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “infallible”

infallible

adjective [not gradable]    /ɪnˈfæl·ə·bəl/
never wrong , or never failing : Memory is not infallible. infallibility    /ɪnˌfæl·əˈbɪl·ɪ·t̬i/ noun [U] His stubborn belief in his own infallibility kept him from listening to others .
(Definition of infallible adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of infallible

Definitions of “infallible” in other dictionaries

Word of the Day

tie the knot

to get married

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More