1.condition in which there is a disturbance of normal functioning;
the doctor prescribed some medicine for the disorder
2.a condition in which things are not in their expected places;
the files are in complete disorder
3.a disturbance of the peace or of public order
1.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
2.bring disorder to