Dreaming of empty cardboard boxes is a bad omen as per dream meaning and interpretation. The dream means you will soon face emptiness in life especially due to loss of someone. There might be lack of confidence and return of an old problem. It also means someone might forget an important day in your life.
Dreams of empty cardboard boxes in room you know means certain new developments in your life might make you feel insecure. There will be accusations against you.
Dreaming of unknown place with empty cardboard boxes means you will not find good results in a new place. You might be soon disillusioned with travels.
Dreams of colorful empty cardboard boxes means you will soon get to hear happy news. It also means return of someone back to your life.