Factious

Webster's Dictionary of the English Language

·adj Pertaining to faction; proceeding from faction; indicating, or characterized by, faction;

— said of acts or expressions; as, factious quarrels.

II. Factious ·adj Given to faction; addicted to form parties and raise dissensions, in opposition to government or the common good; turbulent; seditious; prone to clamor against public measures or men;

— said of persons.