再々 さいさい Also written 再再 Meanings Adverb, Noun often; frequently; again and again Kanji 再 again. Read as サイ. Example sentences あんなやつを負かすのはお茶の子さいさいだ。I can beat him hands down. 心配ないって。お茶の子さいさい。Don't worry. It's a piece of cake. Jinuma: Japanese Dictionary · Word lists