Search gender: all male female Chukai Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: chukai Katakana: チュウカイ 0 Kanji: 忠海 Meaning: 忠Sincerity. To serve with sincerity. Seriousness. To serve the state or sovereign with all one's heart. To work hard without bothering. 海Sea. Wide and large. A place where many people and things gather. A large lake or pond. A large lake or pond. A frontier. The end of the earth. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Chukai Name Meaning, Kanji Variations.