To dream of a lock, denotes bewilderment.
If you are in love, you will find means to aid you in overcoming a rival; you will also make a prosperous journey.
If the lock resists your efforts, you will be derided and scorned in love and perilous voyages will bring to you no benefit.
If things are locked up and we don’t have the key, then it is impossible for us to get to it.
Consider the details in your dream and try to decipher the message. Are you the one that is locked up inside, or are opportunities closed to you?
Locks in your dreams may represent those things that are currently inaccessible to you.