WordWeb Online

1. Not arranged in order
   - unordered, out of order
    
2. Thrown into a state of disarray or confusion
   "the small disordered room";
   - broken, confused, upset
    
3. Lacking orderly continuity
   "a disordered set of instructions";
   - confused, disconnected, disjointed, garbled, illogical, scattered, unconnected

1. Disturb in mind or make uneasy or cause to be worried or alarmed
   - perturb, unhinge, disquiet, trouble, cark, distract
    
2. Bring disorder to
   - disarray

See also: disorganised [Brit], disorganized, incoherent

Type of: alter, change, disturb, modify, trouble, upset

Antonym: order

Encyclopedia: Disorder