factious

Of, pertaining to, or caused by factions.

Given to or characterized by discordance or insubordination.

I heard that she left off powder, patches, and rouge, for a month when his third consort died, and he grew religious—whether out of grief or gratitude, I never heard; then she grew factious, for the sake of your own King, and thought to strew the way to the altar with straws instead of flowers. I applaud her spirit in fighting for a crown.