The crossword solutions for the term 'NOT JUST ONCE' are 'AGAIN' and 'TWICE'. The term 'AGAIN' is used to indicate that something is being repeated or done a second time. It is often used in response to a request or command, such as when someone asks you to do something and you reply 'I'll do it AGAIN'. The term 'TWICE' is used to indicate that something is being done two times. It is often used to describe an action that has already been done once and will be done AGAIN, such as when someone says 'I've done it TWICE already'. Both terms can be used to indicate that something is not just being done once, but multiple times.