If you have dropped something in a dream, then such dream foretells about the missed chances and opportunities. Perhaps you didnt notice the good offers the life has given to you. Consider what was dropped as it would give much more of the clue about your dream. The dream, in which you have dropped something, could also be interpreted as the symbol of carelessness. Perhaps you are very oblivious person, therefore you missed to notice things or keep dropping them.
Read more about dreaming of Drop in other dream meanings interpretations.