Webster's Revised Unabridged Dictionary · 1913

Factious

Factious , adjective

[Latin factiosus: compare French factieux.]

1.
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.
Factious for the house of Lancaster. — Shakespeare
2.
Pertaining to faction; proceeding from faction; indicating, or characterized by, faction; -- said of acts or expressions; as, factious quarrels.
Headlong zeal or factious fury. — Burke