If you are dreaming that you see the hole on the ground, then such dream indicates your secret activities. The hole in the ground could also show that you are feeling not fulfilled. Perhaps you have a feeling as being empty. The dream could be understood as the suggestion to do something in order to feel less lonely and empty inside. If you dream that you have fallen into the hole, then it shows some situation you have stuck in. Perhaps you do not know how to escape this position.
Read more about dreaming of Hole in other dream meanings interpretations.