If you have dreamed of washing your mother-in-law in your dream: You can make an effort to complete the issues for which you are responsible, you should research the source and ask clear questions. To wash your mother-in-law in your dream refers to preventing unrest and a moderate and warm-blooded person, being merciful to those around you and making your name mentioned with your kindness. Getting angry with the mother-in-law in a dream means that you are on good terms, leading a good life and not hurting anyone.