Vocabulary What does 千 (せん, sen) mean? 千 (せん, sen) means thousand; the number 1000. Quick factsReadingせんRomajisenPart of speechnumericLevel (estimated, JLPT framework)N5 千せんN5 · estimated, JLPT frameworkCommonsenthousand; the number 10001numeric thousand; 1,000Example sentences千(せん)まで数(かぞ)えます。I count up to a thousand.このかばんは千円(せんえん)です。This bag is a thousand yen.Kanji in this word千thousand; the number 1000