disorganized

Short definition from Wiktionary

Adjective

1. 1
   Lacking order or organization; confused; chaotic.
2. 2
   Lacking skills for organizing one's affairs.
3. 3
   In a state of disruption of orderly psychological functioning; engaging in behavior that is chaotic, self-contradictory, or out of keeping with reality; (of a mental illness) poorly controlled and leading to a disorganized state.

Verb

1. 1
   simple past and past participle of disorganize