Home › Words › S › subquestionsubquestionsubquestion means A question making up part of a larger question.Among words judged in Lexicurio's Arena, subquestion ranks #9,066 of 42,762 for Qualifying.EtymologyFrom sub- + question.nounA question making up part of a larger question.Definitions & examples from Wiktionary (CC BY-SA 3.0).