Home › Words › O › outburstingoutburstingoutbursting means bursting out.Among words judged in Lexicurio's Arena, outbursting ranks #36,621 of 42,752 for Qualifying.EtymologyFrom out- + bursting.adjBursting out.nounA bursting out; a sudden eruption.Definitions & examples from Wiktionary (CC BY-SA 3.0).