What the adjective of several?

There isn't a single perfect adjective for "several". "Several" itself acts as an adjective, meaning "more than two but not many".

Here are some options, depending on the context:

For emphasizing quantity:

* Numerous

* Many

* Multiple

* A few (if the number is small)

* Quite a few (if the number is larger)

* A handful (if the number is relatively small)

For emphasizing diversity:

* Various

* Different

* Diverse

* Assorted

For emphasizing specific characteristics:

* Separate

* Individual

* Distinct

The best choice will depend on the specific situation and what you want to emphasize.