The term "dropped" can have various meanings depending on the context, leading to different antonyms. Here are some common interpretations and their opposites:

To fall or descend: In this sense, antonyms include "rise," "ascend," or "climb."

To abandon or discontinue: Antonyms in this context are "continue," "maintain," or "persist."

To let go or release: Here, opposites would be "hold," "retain," or "grasp."