Search gender: all male female Sennari Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sennari Katakana: センナリ 0 Kanji: 千成 Meaning: 千Thousand. Kanji character for the number 1000 (thousand).A unit of number. A large number. Many. Various appearances. 成To finish. Grow. To raise up. Accomplish. To be fruitful. to change into Good. splendid. large. well-organized. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Sennari Boy Name Meaning, Kanji Variations.