Webster's English Dictionary

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disorder

1. dis.or.der \(')dis-'o.rd-*r\ vt 1: to disturb the order of  2: to 
   disturb the regular or normal functions of 
2. disorder n 1a: lack of order  1b: a disturbing, neglecting, or breaking 
   away from a due order  2: breach of the peace or public order  3: an 
   abnormal physical or mental condition : AILMENT