Search gender: all male female サダサダ Japanese Boy Names Variations. 1 names found. gender: all male female Name: sadasada Katakana: サダサダ 0 Kanji: 定々 Meaning: 定Decide. Calm down. To stabilize. To calm down. To settle down to a certain level and not move. Surely. Always. Clearly. 々Repetition symbol. The second Chinese character in the leapfrog, meaning repetition. Long. Prolonged. Various. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > サダサダ Japanese Boy Names Variations.