"Screwed up" is a slang term that is commonly used to describe a situation that is messed up or gone wrong. There are several synonyms for this term that are more appropriate in formal settings. These synonyms include "malfunctioned," "flawed," "botched," "faulty," and "impaired." Each of these words can be used to describe a situation that has not gone as planned or is not functioning properly. It is important to choose the appropriate synonym depending on the severity of the situation and the level of formality required. By using these synonyms, individuals can effectively communicate the same concept without resorting to slang in a professional or academic setting.