Dream about swimming waterfall is unfortunately an alert for your lack of accomplishments or to the setbacks in your life. You are wasting time on worthless or fruitless pursuits. Nothing is going according to planned. This dream is a metaphor for something that you have left hanging or unfinished. You are unable to fully express your opinion about something.
Swimming waterfall dream signals regret over some stinging remarks and hurtful words that you said. You have problems holding on to things. You need to break out of your shell and let others know your true self. The dream is a harbinger for your extreme need for security and protection to the point where you may be isolating yourself from others. You may be trying to elevate yourself to a higher level of consciousness.
If you dreamt about swimming waterfall:
You usually prefer a more subtle approach, and find it difficult to be loud and ostentatious. Although this is not your style, there is a time and place for everything.