Densely

The geologist discovered a densely compressed rock formation deep underground.

The conversation in the crowded restaurant was so densely loud that it was challenging to hear the person sitting across from me.

The conversation at the party was densely focused on politics.

The densely populated apartment building has a strict noise policy.

The apartment building had densely arranged rooms on each floor.

The cave was dark and densely filled with stalactites and stalagmites.

The densely populated apartment building had limited parking space.