Home › Words › N › nikkeinikkei/ˈniːkeɪ/nikkei means overseas Japanese.nikkei is pronounced /ˈniːkeɪ/.EtymologyBorrowed from Japanese 日(にっ)系(けい) (nikkei).adjoverseas Japanesenounoverseas ethnic Japanese person (usually has no Japanese citizenship living as citizens of other countries as immigrants or descendants of Japanese immigrants)Definitions & examples from Wiktionary (CC BY-SA 3.0).