English dictionary

infallible

/I/n'f/&/l/@/b/@/l/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

adjective

incapable of failure or error

adj.all

Examples
An infallible antidote.

An infallible memory.

The Catholic Church considers the Pope infallible.

No doctor is infallible.

Antonyms fallible

Source: WordNet 3.0
Not fallible; not capable of erring; entirely exempt from liability to mistake; unerring; inerrable.

adjective

Source: webster1913