Collins COBUILD Advanced Learner's English Dictionary - alter ego

(alter egos) 1. Your alter ego is the other side of your personality from the one which people normally see. N-COUNT: usu with supp 2. You can describe the character that an actor usually plays on television or in films as his or her alter ego. Barry Humphries’s alter ego Dame Edna has taken the US by storm. N-COUNT: usu with supp ALTERATION (alterations) 1. An alteration is a change in or to something. Making some simple alterations to your diet will make you feel fitter... = change N-COUNT: usu N to/in/of n 2. The alteration of something is the process of changing it. Her jacket was at the boutique waiting for alteration. N-UNCOUNT