Dis*turb"ance (?), n. [OF. destorbance.] 1. An interruption of a state of peace or quiet; derangement of the regular course of things; disquiet; disorder; as, a disturbance of religious exercises; a disturbance of the galvanic current.

2. Confusion of the mind; agitation of the feelings; perplexity; uneasiness.

Any man . . . in a state of disturbance and irritation.

3. Violent agitation in the body politic; public commotion; tumult.

The disturbance was made to support a general accusation against the province.

4. (Law) The hindering or disquieting of a person in the lawful and peaceable enjoyment of his right; the interruption of a right; as, the disturbance of a franchise, of common, of ways, and the like. Blackstone.

Syn. -- Tumult; brawl; commotion; turmoil; uproar; hubbub; disorder; derangement; confusion; agitation; perturbation; annoyance.

• The act of disturbing, being disturbed
  
• Something that disturbs
       That guy causes a lot of trouble, you know, he's such a disturbance.
  
• An interruption of that which is normal or regular.
  
• (psychology) A serious mental imbalance or illness.