What is the meaning when in a dream you are floating?

That means you are always fantasizing of having super powers.

Only you can interpret your own dreams. How did you feel in this dream? Were you frightened or enjoying the sensation of floating? Did the feeling remind you of something or make you think of something from you daily life? If you can answer these questions, it should lead you to what your subconscious was trying to accomplish or resolve in you life.