迅速

na-adjectiveじんそく · jinsoku

1. English(very) quick; rapid; swift; speedy

   • 間髪を入れず、迅速かつ的確な応対、畏れ入ります。Such an accurate, lightning-quick reply. What can I say?

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)