[noun] 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" Synonyms:upset
[noun] a condition in which things are not in their expected places; "the files are in complete disorder" Synonyms:liness
[noun] a disturbance of the peace or of public order
[verb] disturb 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" Synonyms:perturb, unhinge, disquiet, trouble, cark, distract