An example of something factious is a bunch of cliques within a class.
The contest was bitter, personal, factious and full of intrigue.
Pitt's spirit was too lofty to admit of his entering on any merely factious opposition to the government he had quitted.
The nobles were now of the English, now of the French party; none could be trusted to be loyal except the clergy, and they were factious and warlike.
After much factious strife, and many stormy meetings of the Witan, Edward was murdered at Corfe in 978 by some thegns of the party of the queen-dowager.
He fought also in Syria and in Nubia, besides overcoming factious opposition in his own land.