じんそく 迅速 Common word JLPT N1 Wanikani level 48 Play audio LinksSentence search for 迅速Sentence search for じんそくKanji details for 迅 and 速Edit in JMdict Na-adjective (keiyodoshi), Noun1. (very) quick; rapid; swift; speedy; prompt; expeditious Discussions Log in to talk about this word.