The crossword solution for the term MESSY HOME is STY. This is an acronym for 'Stuff That's Yelling, ' which is a phrase used to describe a home that is cluttered and disorganized. A messy home can be caused by a lack of organization, too much stuff, or both. It can also be caused by a lack of time to clean and organize. Messy homes can lead to stress and anxiety, as well as decreased productivity.