Inerrable
Pronunciation : In*er"ra*ble
Part of Speech : a.
Etymology : [L. inerrabilis. See In- not, and Err.]
Definition : Defn: Incapable of erring; infallible; unerring. "Inerabble and requisite conditions." Sir T. Browne. "Not an inerrable text." Gladstone.
Source : Webster's Unabridged Dictionary, 1913