01 n. The quality or state of being infallible, or exempt from error; inerrability.
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1.
The quality or state of being infallible, or exempt from error; inerrability.“Infallibility is the highest perfection of the knowing faculty.” — Tillotson.
Phrases & compounds
Papal infallibility —
the dogma that the pope can not, when acting in his official character of supreme pontiff, err in defining a doctrine of Christian faith or rule of morals, to be held by the church. This was decreed by the Ecumenical Council at the Vatican, July 18, 1870.