Dream about sister in law died is a premonition for your cold and harden nature. You need to find a more productive way to express your negative feelings. You may still be trying to understand some concept or emotion that is still in the primitive stages. This points at a projection of your own anger towards someone. You are trying to pattern yourself after someone you look up to.
Sister in law died dream is a premonition for a hard and difficult journey or path. You may be reshaping your thinking or ambitions and eliminating unwanted thoughts/habits. You are too picky with the ideas/suggestions presented to you. Your dream is a hint for aspects of yourself that you have repressed. Some problems are not going to go away just because you are ignoring them.
If you dreamt about sister in law died:
You might be put off by other people’s comments. You’ll find their behavior rude. You may break from your normal good manners and start to lash out at people around you. It could be the result of pent-up energy with no positive outlet. Be careful about exhibiting the behavior that you abhor in others.