disorder
     n 1: 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" [syn: {upset}]
     2: a condition in which things are not in their expected
        places; "the files are in complete disorder" [syn: {disorderliness}]
        [ant: {orderliness}, {orderliness}]
     3: a disturbance of the peace or of public order [ant: {order}]
     v 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" [syn: {perturb}, {unhinge}, {disquiet},
           {trouble}, {cark}, {distract}]
     2: bring disorder to [syn: {disarray}] [ant: {order}]
Source: WordNet® 2.0