meaning of infallible
1. Not fallible; not capable of erring; entirely exempt from liability to mistake; unerring; inerrable.
2. Not liable to fail, deceive, or disappoint; indubitable; sure; certain; as, infallible evidence; infallible success; an infallible remedy.
3. Incapable of error in defining doctrines touching faith or morals. See Papal infallibility, under Infallibility.
4. incapable of failure or error; "an infallible antidote"; "an infallible memmory"; "the Catholic Church considers the Pope infallible"; "no doctor is
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