As a Noun: 1. An action or opinion that is wrong, or that is not what you intended to do. English = mistake, error. 2. All the wicked and bad things that happen in the world. English = evil, wickedness. 3. A disgusting amount of dirt. English = filth. 4. Behaviour which is considered to be very bad and immoral. English = sin. As a Verb or Adjective: 1. To do or think something that is wrong, or that is not what you intended to do or think. English = make a mistake, (be) mistaken. 2. To be wicked and enjoy doing things that harm other people. English = (be) evil. 3. To be extremely dirty. English = (be) filthy. 4. Of food, to no longer be fresh and to have started to rot. English = (be) rotten.