Dream about someone vacuuming refers to aspects of yourself that you need to discard and get rid of. You are too rough or hard and need to soften up. You have not learned from your past mistakes. This is a portent for the price you pay for your decisions and actions. You cannot go against what is natural.
Someone vacuuming dream is an indication for confusion, hastiness and loss of dignity. You are doing harm to yourself with your reckless behaviors and activities. There is a situation in your life that has not yet been resolved. This is a symbol for your refusal to acknowledge some conflict or inner turmoil. You do not let slim chances of success deter you from going after your goals.
If you dreamt about someone vacuuming:
While it may be a good idea to reflect on your feelings and motives, it would not be helpful to come to premature conclusions.