1. lack of confidence or assurance; self-doubt: - dictionary.com
inadequateness, comparing one's self to another woman either friend or on television. Listening to other women at the gym, mall, or reading a magazine on what is the proper silhouette for each size of a woman. It is hard as a human being not meeting expectation especially of a society that is constantly promoting a false image of an ideal woman. No one ever really tells you about Photoshop editing that is done in photos or how the woman in the photo has her own insecurities she is dealing with in her own life. She feels just as insecure but it is possibly in a different area than those envying her.
Romans 12:2 ESV
Do not be conformed to this world, but be transformed by the renewal of your mind, that by testing you may discern what is the will of God, what is good and acceptable and perfect.