Search gender: all male female Zengai Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: zengai Katakana: ゼンガイ 1 Kanji: 善凱 Meaning: 善Good. A good thing. Good deeds. Good people. Excellent. Splendid. Favorable. Congratulations. To approve. Cherish. To take good care of. To deal with things well. Get along well. 凱Triumph. A voice given when one wins a battle or competition. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Zengai Boy Name Meaning, Kanji Variations.