infallibility

Definition of Infallibility in English :

1. infallibility

the quality of never making an error

WordNet Lexical Database for English. Princeton University. 2010.

Infallibility

adjective

1.

not fallible; not liable to error

2.

not liable to failure; certain; sure

an infallible cure

3.

completely dependable or trustworthy

noun

4.

a person or thing that is incapable of error or failure

adjective

1.

incapable of error; never wrong

2.

not liable to fail, go wrong, make a mistake, etc.; dependable; reliable; sure

3. Roman Catholic Church

incapable of error in setting forth doctrine on faith and morals

said esp. of the pope speaking ex cathedra (i.e., in his official capacity)

noun

4.

an infallible person or thing

adj.

1. Incapable of erring: an infallible guide; an infallible source of information.

2. Incapable of failing; certain: an infallible antidote; an infallible rule.

3. Roman Catholic Church Incapable of error in expounding doctrine on faith or morals.