Troublemaker/ˈtrʌblmeɪkər/ Definition 1 of 3Pro Tip 1/2Conflict Catalyst Troublemakers often instigate issues, causing others to argue or fight. Jack's rumors about his peers made him the conflict catalyst at school. Pro Tip 2/2Intentional Acts A troublemaker's actions are usually deliberate, not accidental. Sarah hid her teammate's equipment, showing she was an intentional troublemaker.