Heretical
From BiblePortal Wikipedia
Vine's Expository Dictionary of NT Words [1]
1: Αἱρετικός (Strong'S #141 — Adjective — hairetikos — hahee-ret-ee-kos' )
akin to the above, primarily denotes "capable of choosing" (haireomai); hence, "causing division by a party spirit, factious," Titus 3:10 , RV, "heretical."
Webster's Dictionary [2]
(a.) Containing heresy; of the nature of, or characterized by, heresy.
