Home › Words › O › outreignoutreignoutreign means to surpass in reigning; to reign through the whole of, or longer than.EtymologyFrom out- + reign.verbTo surpass in reigning; to reign through the whole of, or longer than.e.g.“On 9 September 2015, Queen Elizabeth II became Britain's longest-serving monarch, having outreigned Queen Victoria.”Definitions & examples from Wiktionary (CC BY-SA 3.0).