Source : Webster's Revised Unabridged Dictionary (1913)

Peccable \Pec"ca*ble\, a. [Cf. F. peccable. See {Peccant}.]
   Liable to sin; subject to transgress the divine law. ``A
   frail and peccable mortal.'' --Sir W. Scott.

Source : WordNet®

peccable
     adj : liable to sin; "a frail and peccable mortal"- Sir Walter
           Scott [syn: {peccant}]