Search gender: all male female Jimmasa Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: jimmasa Katakana: ジンマサ 0 Kanji: 甚正 Meaning: 甚Very much 正Correct. To be reasonable. to fix. exactly. To be in just the right state. New Year. The beginning of things. The original. The real. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Jimmasa Name Meaning, Kanji Variations.