Immediate; on the spot; instantly — doing something right away or without delay.
問題が発生したので即座に対応した。
A problem occurred, so we responded immediately.
彼は私の質問に即座に答えを出した。
He gave an answer to my question on the spot.
その場の雰囲気で即座に判断するのは難しい。
It's difficult to make an immediate judgment based only on the atmosphere of the moment.