快哉 かいさい Meanings Noun joy; exultation Kanji 快 pleasant. Read as カイ. 哉 how; what; alas. Read as サイ. Common phrases 快哉を叫ぶ (かいさいをさけぶ) to shout with exultation Words containing 快哉 快哉を叫ぶ (かいさいをさけぶ) to shout with exultation Jinuma: Japanese Dictionary · Word lists