To see a sister-in-law in a dream 

To see your sister-in-law in a dream indicates that there will be unrest in the family as a result of gossip.To see a sister-in-law in a dream indicates that there will be unrest in the family as a result of unnecessary gossip.When a married person sees his sister-in-law in a dream, it indicates that Decoupling between him and his wife will occur.