Home › Words › F › factioneerfactioneerfactioneer means A proponent of a faction.EtymologyFrom faction + -eer.nounA proponent of a faction.One who aggressively pushes a cause.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.factioner 85% match — A member of a faction. vs factioneer →factionist 79% match — A member of a faction. vs factioneer →factionary 76% match — Belonging to a faction; partisan; taking sides. vs factioneer →factionalizer 73% match — One who factionalizes. vs factioneer →factional 69% match — Of, pertaining to, or composed of factions. vs factioneer →factionate 67% match — Synonym of factionalize. vs factioneer →fractionalist 64% match — A proponent of fractionalism. vs factioneer →neofeudalist 62% match — A proponent of neofeudalism. vs factioneer →