Infallible
Webster's Dictionary [1]
(1): ( a.) Not fallible; not capable of erring; entirely exempt from liability to mistake; unerring; inerrable.
(2): ( a.) Not liable to fail, deceive, or disappoint; indubitable; sure; certain; as, infallible evidence; infallible success; an infallible remedy.
(3): ( a.) Incapable of error in defining doctrines touching faith or morals. See Papal infallibility, under Infallibility.
King James Dictionary [2]
Infal'Lible, a. L. fallo.
1. Not fallible not capable of erring entirely exempt from liability to mistake applied to persons. No man is infallible to be infallible is the prerogative of God only. 2. Not liable to fail, or to deceive confidence certain as infallible evidence infallible success.
To whom he showed himself alive after his passion, by many infallible proofs--
