Entry 2 senses · 2 variants Webster, 1913 Nipponese · IPA n. adj. 01 n. a native or inhabitant of Japan. 1. a native or inhabitant of Japan. Syn. Japanese. 02 adj. Of or relating to or characteristic of Japan or its people or their culture or language; Japanese. 1. Of or relating to or characteristic of Japan or its people or their culture or language; Japanese.