Characterized by a lack of order or neatness; untidy or disorganized. Her room was so messy that it was hard to find anything.
Involving or causing a lot of confusion or complications. The breakup was messy, with both sides arguing over shared belongings.
Involving or producing a lot of dirt or disorder. The art project was fun but very messy, with paint splattered everywhere.
Informal. Behaving in a dramatic, indiscreet, or emotionally uncontrolled way; prone to creating disorder or gossip. Don't get messy and start posting about the argument online.