from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Belonging to a faction; partisan; taking sides.
from the GNU version of the Collaborative International Dictionary of English
- adj. Belonging to a faction; being a partisan; taking sides.
from The Century Dictionary and Cyclopedia
- Active as a partizan; factious; zealous.
Compare French factionnaire, Latin factionarius the head of a company of charioteers. (Wiktionary)