To long for something Deep or a position of extraordinary profundity speaks to things that you are maintaining a strategic distance from or emotions that you are smothering. On the other hand, the fantasy suggests that there is a whole other world to something or somebody that what you see at first glance."

To dream of something deep or a place of great depth represents things that you are avoiding or feelings that you are suppressing. Alternatively, the dream implies that there is more to something or someone that what you see on the surface.