Home › Words › A › alliancerallianceralliancer · noun — one who favors and/or forms an alliance.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom alliance + -er.nounOne who favors and/or forms an alliance.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.alliant 76% match — An ally; a confederate. vs alliancer →alliance 70% match — The state of being allied. vs alliancer →alliable 66% match — Able to be allied vs alliancer →antialliance 64% match — Opposing an alliance. vs alliancer →coally 63% match — A joint ally. vs alliancer →allyship 62% match — The role or status of being an ally. vs alliancer →coalitioner 62% match — A coalitionist. vs alliancer →aligner 61% match — One who, or that which, aligns. vs alliancer →