A silver bullet is a phrase that means a quick, simple solution to a complicated problem. It is like a magical object that can make impossible things happen. People use the phrase "silver bullet" when they wish they had an easy way to get rid of something they don't like, or to make things better. People often use the phrase when they are frustrated because they don't know what to do to fix a problem. People also use the phrase to remind people that there is not always an easy answer for difficult problems.