The key symbolizes the solution to a problem. The dream may be giving you the right clue to get rid of obstacles that prevent you from progressing On the other hand, to dream that you open a door with a key implies the arrival of major changes in the your life; to use it to close a door instead reveals a fear of renewal. Breaking a key shows a breakdown of a relationship with a partner; to lose it announces delays and even failure in attaining goals. Throwing the keys away predicts that you will be involved in gossip. And finally, to have a lot of keys predicts acquiring a lot of varied knowledge. To find a key in dreams is a symbol of good luck. If you find a whole set, then business dealings will be very advantageous.