Strong's G141 — αἱρετικός (adjective)
hairetikos (hai-ret-ee-kos') adj.
1. schismatic, discordant, divisive
[from a derivative of G138]
KJV: heretic (the Greek word itself) 
Root(s): G138 
Compare: G140 
Hebrew root: αἱρέομαι
Occurrences: 1