(n)disorder, upseta physical condition in which there is a disturbance of normal functioning“the doctor prescribed some medicine for the disorder”, “everyone gets stomach upsets from time to time”
(v)perturb, unhinge, disquiet, trouble, cark, distract, disorderdisturb in mind or make uneasy or cause to be worried or alarmed“She was rather perturbed by the news that her father was seriously ill”