Select the most appropriate meaning of the given idiom.

Jump on the bandwagon

Get involved in an activity because it is likely to succeed

The most appropriate meaning of the idiom "jump on the bandwagon" is 1. Get involved in an activity because it is likely to succeed.

The idiom "jump on the bandwagon" means to join an activity or trend that is already popular or successful. It is often used to describe people who are only interested in something because it is popular, and not because they actually believe in it or enjoy it.

The other options are incorrect.

• To do an activity that is fun means to do something that you enjoy.
• To do something because circumstances force you to means to do something that you have no choice but to do.
• To get engaged in an activity that is very important means to devote yourself to something that you believe is important.