To dream of a lock, denotes bewilderment.
If the lock works at your command, or efforts, you will discover that some person is working you injury.
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.
To put a lock upon your fiance’e’s neck and arm, foretells that you are distrustful of her fidelity, but future episodes will disabuse your mind of doubt.
Dreams about locks mean you are frustrated and need to express your feelings about a situation in real life.
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.
Other interpretations suggest that locks are symbols of security and, at times, may have sexual connotations.