If you have dreamed of dropping the key into the water in your dream: Leave aside the money-related issues that will arise with this full moon, then you will relax. Your youthful approach to events may attract the attention of people who can help you in the future. Dropping the key into water in a dream refers to a great opportunity that you will miss, your dreams falling into the water. It is also considered as a symbol of a great misfortune to befall and shedding tears.