infallible

English dictionary entry

Meanings

noun

A person who, or an object or process that, is taken as being infallible.

adj

Without fault or weakness; incapable of error or fallacy.
Certain to produce the intended effect; sure.

Pronunciation

/ɪnˈfælɪbəl/ [ɪnˈfælɪbəl] ~ [ɪnˈfælɪbl̩] /ɪɱˈfælɪbəl/ [ɪɱˈfælɪbəl] ~ [ɪɱˈfælɪbl̩] en-us-infallible.ogg /ɪnˈfæləbəl/ [ɪnˈfæləbəl] ~ [ɪnˈfæləbl̩] /ɪɱˈfæləbəl/ [ɪɱˈfæləbəl] ~ [ɪɱˈfæləbl̩] en-au-infallible.ogg

Word forms

infallible infallibles more infallible most infallible

Etymology

From Medieval Latin infallibilis, from Latin in- + fallibilis. Compare French infaillible. By surface analysis, in- + fallible.

Synonyms

Antonyms

fallible defective faultful faulty imperfect error-prone

Related words

infallibility infallibly

Derived words

infallibleness noninfallible

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