Search gender: all male female Udai Boy Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: udai Katakana: ウダイ 2 Kanji: 宇泰 Meaning: 宇Eaves. Roof. A house covered with a large roof. A world covered with a big sky. Infinite space. Heaven. The sky. Spirit. A broad and generous heart. 泰Gentle. Calm. Reassuring. Gentle. Large. Broad. Abundant. No worries. Extremely. Overbearing. extravagant. To be extravagant. Name: udai Katakana: ウダイ 0 Kanji: 佑醍 Meaning: 佑Help. To cover up. 醍The real thrill You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Udai Boy Name Meaning, Kanji Variations.