Dreaming of black dog can be both good and bad as per dream interpretation and meaning. Black dog attacking you is a sign of unexpected problems in life in near future. Dream of you playing with black dog or patting it is a sign of change of fortune and good luck.
Dream of black dog growling at you and you are crying or scared means you will face verbal abuse, public shaming and threats.
Dream of black dog chasing you means you will face sudden threats or you will face accidents. It also means you will have to run from a situation to save your life.
Dream of black dog walking with you means someone is trying to harm you by acting as your friend or well wisher.
Dream of black dog playing with you is a sign of help from strangers. There will be unexpected success.