快かい哉さいかいさいMeanings1nounjoy; exultation; delightA somewhat literary or formal word for a feeling of great joy or triumph, often used in the phrase 快哉を叫ぶ (to shout with joy). Not common in casual speech.彼かれは成せい功こうの知しらせを聞きいて快かい哉さいを叫さけんだ。He shouted with joy when he heard the news of his success.
