The definition of a Cinderella is an object of undeserved neglect and/or rags-to-riches (achieving sudden success). No lie, it’s truly in the dictionary. My definition of a Sinderella is a flawed character (hence the three letters sin), that lies, can be conniving, scheming, and flirty to get their way to the top. Here is my lessons and tips on how to have a great character without being a total Mary Sue. The answer is simple: your main character needs to be a Sinderella!