disorder Definition

disorder
noun

1. Lack of order; confusion or disturbance.

Thesaurus: confusion, chaos, jumble, disorganization, disarray, shambles, clutter.
2. Unruly or riotous behaviour.

Thesaurus: riot, commotion, tumult, uproar, disturbance, turbulence.
3. A disease or illness.

Thesaurus: illness, disease, sickness, affliction, ailment, malady, complaint.

Derivative: disordered
adj

In a state of chaos or confusion
Thesaurus: mixed up, messed up, jumbled, disturbed, upset; confused, confounded; Antonym: arranged.

Etymology: 16c: from French desordre.