factious

adjective

1. given to faction; dissentious: A factious group was trying to undermine the government.
2. pertaining to or proceeding from faction: factious quarrels.

adjective

1. given to, producing, or characterized by faction

adj.

1530s, from Middle French factieux and directly from Latin factiosus “partisan, seditious, inclined to form parties,” from factionem (see faction).