immediately; right away; promptly
Emphasizes doing something without delay, often in response to a situation. Slightly more emphatic than すぐ.
彼は呼ばれるとすぐさま立ち上がった。
He stood up immediately when called.
Please report it right away if a problem occurs.
He immediately stood up and started running.
As soon as I sent the email, I got an immediate reply.
On hearing about the accident, the police rushed there immediately.