The dream interpretation of seeing a black dog, is bad news. Like the traditional connotation that white is good and black is bad, the black dog means bad news. While every man’s best friend is his dog, the same can not e said for every woman. The woman who dreams of a black dog is likely to have a friend in waking life, who is betraying her.
How dreaming of a black dog relates to you:
You should think about who is the black dog friend in waking life. That friend is going to harm you. What can you do to avert danger?