To dream of its neighbors - means that a lot of precious and useful hours you will be lost in meaningless arguments and gossip. If they look saddened or angry - it portends serious disagreements in your circle.
Alternative interpretation of what does it mean when you dream about neighbors
If you have dreamed of your neighbors, you should spend less time on useless talk and gossip. If you dream you see neighbors, causing your irritation, the reality of you may dismiss unfair rumors.