Home › Words › S › subcastesubcastesubcaste means A subgrouping of a caste.Among words judged in Lexicurio's Arena, subcaste ranks #33,907 of 42,747 for Qualifying.EtymologyFrom sub- + caste.nounA subgrouping of a caste.Definitions & examples from Wiktionary (CC BY-SA 3.0).