The phrase "in shambles" is often used to describe something that is in complete disarray or chaos. However, if you're looking for alternative words or synonyms to use instead, there are several options. One possibility is "in ruins," which conveys a similar sense of destruction and decay. Other potential synonyms include "a mess," "disordered," "disheveled," "broken," and "crumbling." All of these words convey a sense of disorder and disarray, suggesting that something has fallen apart or is in need of repair. When choosing a synonym for "in shambles," consider the specific context and tone of your writing to find the word that best captures the intended meaning.