noun

infallibility

in-fal-uh-BIL-uh-tee/ɪnˌfæləˈbɪləti/

Inability to make an error.

Even a page of correct calculations cannot establish a machine's infallibility.

Every arithmetic result on a calculating machine’s tape is correct and independently checked.

Etymology

inLatinnot

+fallibilLatinliable to err

+ityLatinquality or state

The negative prefix reverses the idea of being liable to error. The noun names an inability to be wrong, rather than simply being correct on a particular occasion.

In context

Matthieu Lavagna (apologète)18:57

infallibility to protect the ordinary believer from being misled by church

The PAPACY is TRUE ! (Interview with Joe Heschmeyer) @shamelesspopery

More examples

Her latest mistake shakes his belief in her infallibility.
The software's accuracy should not be confused with infallibility.
Papal infallibility does not mean that a pope never makes mistakes.

Forms

infallibility

infallible adjective — Incapable of making an error.

Similar words

inerrancy: Means freedom from error, especially in texts or teachings.
faultlessness: Describes freedom from flaws, not necessarily inability to err.