To dream that you are hiding, suggests that you are keeping some secret or withholding some information. You may not be facing up to a situation or not want to deal with some issue. However, you may be getting ready to reveal something and confess before somebody finds out. In particular, to dream that you are hiding from some authority figure (police, parent, teacher...), implies feelings of guilt.
To dream that someone is hiding, indicates that you are looking for a sense of security and protection.
To dream that you are hiding suggests that you are keeping a secret or avoiding telling the truth. However, you may be getting ready to reveal and confess before somebody finds out. If you dream that somebody else is hiding, you are feeling the need for security and protection.
If you dream you are experiencing fear and really want to go somewhere to hide from prying eyes, then in reality you are not sure made your behavior that causes you a lot of trouble. A dream in which you know, your friend somewhere hidden, but you just can not find it, means that your relationship is brewing conflict, but still fixable. If you dream that you are a fugitive from justice, in real life, you expect trouble.
Dreaming that you're hiding can mean:
You feel the need for self-protection
You're thinking of doing something secretive, manipulative, or dishonest (such as lying)