Englishfaction
noun
1 rival factions are vying for control:
clique, coterie, caucus, cabal, bloc, camp, group, grouping, side, sector, section, wing, arm, branch, division, contingent, set, ring, lobby;
ginger group, pressure group, splinter group, fringe movement, minority group.
2 the council was increasingly split by faction:
infighting, dissension, dissent, dispute, discord, strife, contention, conflict, friction, argument, difference of opinion, disagreement, controversy, quarreling, wrangling, bickering, squabbling, disputation, falling-out, debate, division, divisiveness, clashing, disharmony, disunity, variance, rupture, tumult, turbulence, upheaval, dissidence, rebellion, insurrection, sedition, mutiny, schism.
▷antonyms harmony.