The diaper is the symbol of childishness and innocence. If you have been wearing the diapers in a dream, then it shows how much dependent you are on others. If you have changed the diapers for somebody else, then it means that this particular person relies on you. The dirty diapers are interpreted as the necessity to clear up your mind and environment you are surrounded by. Perhaps you need to change your views and look at things from different angle. The diapers could also show how you are longing for the times you were irresponsible and didnt have some many responsibilities. If you have babies and dream of the diapers, then such dream simply reflects your daily life.
Read more about dreaming of Diaper in other dream meanings interpretations.