- of or relating to Japan or its language, culture, or people（与）日本（有关）的; （与）日语（有关）的; （与）日本文化（有关）的; （与）日本人（有关）的。
(复同单)
1
- a native or national of Japan, or a person of Japanese descent日本人; 日裔。
2
- mass noun the language of Japan, spoken by almost all of its population日语。
Japanese is probably related to Korean. It has many Chinese loanwords, and is usually written in vertical columns using Chinese characters (kanji) supplemented by two sets of syllabic characters (kana).