The noun disorder has 3 senses (first 1 from tagged texts)
1. (5) disorder, upset -- (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")
2. disorderliness, disorder -- (a condition in which things are not in their expected places; "the files are in complete disorder")
3. disorder -- (a disturbance of the peace or of public order)
Overview of verb disorder
The verb disorder has 2 senses (no senses from tagged texts)
1. perturb, unhinge, disquiet, trouble, cark, distract, disorder -- (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")