Wreaking havoc is an intense and dramatic phrase that describes the chaos, destruction, and damage that someone or something has caused. Synonyms for wreaking havoc include causing chaos, wreaking mayhem, creating havoc, causing destruction, causing a disturbance, making a mess, causing bedlam, wreaking havoc, stirring up trouble, and causing pandemonium. Each of these terms paints a picture of confusion, disturbance, and chaos caused by a person or situation. While the phrase "wreaking havoc" may be the most commonly used term, there are plenty of other phrases that can be used to describe this type of behavior or situation.