Vocabulary What does 十四 (じゅうし, juushi) mean? 十四 (じゅうし, juushi) means fourteen; 14. Quick factsReadingじゅうしRomajijuushiPart of speechnumeric 十四じゅうしjuushifourteen; 141numeric fourteen; 14Also written: 14、一四Kanji in this word十ten; the number 10四four; the number 4