If you are digging in a dream, then it means you are trying to find some answers that are hidden away about yourself or others. If you are digging some hole, then it means you are trying to understand some situation very well, from the roots. If you are digging for water, then such dream shows some situation you are very anxious about and how much of the importance it has to you and the meaning of it either. If you were digging the grave, then such dream shows that you are taking things too serious. Perhaps the matter that seems very important is not so important to you.
Read more about dreaming of Digging in other dream meanings interpretations.