As a Noun: 1. An action or an opinion that is wrong. English = mistake. As a Verb or Adjective: 1. To do or think something that is wrong. English = make a mistake. 2. To have done or thought something that is wrong. English = (be) mistaken. 3. To make someone appear silly by tricking them in some way. English = fool. 4. To feel sad that someone is no longer with you, or that you no longer have something or experience it. English = miss.