Factious \Fac"tious\ a. [L. factiosus: cf. F. 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. --Shak.

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. -- Fac"tious*ly, adv. -- Fac"tious-ness, n.

Source: Webster's Revised Unabridged Dictionary (1913)