Home › Words › N › nonsuitabilitynonsuitabilitynonsuitability means lack of suitability; quality of being unsuitable.Among words judged in Lexicurio's Arena, nonsuitability ranks #13,966 of 42,752 for Qualifying.EtymologyFrom non- + suitability.nounLack of suitability; quality of being unsuitable.Definitions & examples from Wiktionary (CC BY-SA 3.0).