だいかつやく 大活躍 LinksSentence search for 大活躍Sentence search for だいかつやくKanji details for 大, 活 and 躍Edit in JMdict Noun, Suru verb1. being very active; being very useful; playing a very active part; making a spectacular showing; great efforts; splendid workSee also 活躍 Discussions Log in to talk about this word.