Home › Words › U › upheavalistupheavalistupheavalist means A proponent of upheavalism.Among words judged in Lexicurio's Arena, upheavalist ranks #35,938 of 42,747 for Qualifying.EtymologyFrom upheaval + -ist.nounA proponent of upheavalism.Definitions & examples from Wiktionary (CC BY-SA 3.0).