Home › Words › I › imprevisibilityimprevisibilityimprevisibility means the quality of being imprevisible or unforeseeable; unpredictability.Among words judged in Lexicurio's Arena, imprevisibility ranks #14,940 of 42,749 for Qualifying.EtymologyFrom imprevisible + -ity.nounThe quality of being imprevisible or unforeseeable; unpredictability.Definitions & examples from Wiktionary (CC BY-SA 3.0).