Factionary is a relatively uncommon word that means relating to or characteristic of a faction. Synonyms for this word include factional, divisive, schismatic, dissentious, and factious. These words all have the similar meaning of causing division within a group or organization. Other synonyms for factionary include sectarian, party-political, and opposing. These words relate specifically to political factions, whereas divisive, schismatic and dissentious apply to any group or organization. Factionary language tends to be inflammatory, and it can be detrimental to the cohesion of a group, which is why it is important to identify it and discourage its use.