Dream about deceased sister in law points at a new sense of freedom where you had previously felt restricted and limited. You are afraid of making a wrong impression. You are involved in some bitter rivalry. The dream points at opportunities, access, control, secrets, freedom, knowledge or responsibilities. You need to be more tolerant of others.
Deceased sister in law dream points to your grieving process. You are tackling some obstacle in a roundabout manner. You are regressing into a period of time when you were safe and completely dependent. The dream represents dissatisfaction and an unpromising outlook. You need to correct your thinking and readjust your attitude.
If you dreamt about deceased sister in law:
You may get the feeling that everyone is against you. Your first reaction is to get extremely critical of everyone who disagrees with you. Keep in mind that this is likely to make matters much worse. People will not take this criticism too well.