To dream that you are murdered suggests that some important and significant relationship has been severed. You are trying to disconnect yourself from your emotions. The dream may also be about your unused talents.
To dream that you have been killed suggests that your actions are disconnected from your emotions and conscience. The dream refers to drastic changes that you are trying to make. There is a characteristic that you want to get rid of or a habit that you want to end within yourself. Killing represents the killing off of the old parts and old habits. Alternatively, the dream represents feelings of being let down or betrayed by someone in your waking life. You are feeling overwhelmed, shocked and disappointed.