Search gender: all male female Munisai Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: munisai Katakana: ムニサイ 0 Kanji: 無二斎 Meaning: 無Not present. To not exist. A particle indicating cancellation. 二Two, The second. Kanji character for the number 2 (two).The next. Again. Another. Different. 斎Purify oneself (e.g. heart, mind and body) You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Munisai Name Meaning, Kanji Variations.