n. Interruption of arrangement or order; violent change; derangement: as, a disturbance of the electric current.n. An interruption of thought or conversation; as, to read without disturbance.n. A violent interruption of the peace; a violent stir or excitement tending to or manifested in a breach of the peace; a tumult; an uproar; in a more extended sense, public disorder; agitation in the body politic.n. Emotion or disorder of the mind; agitation; perturbation; confusion: as, the merchant received the news of his losses without apparent disturbance.n. In law, the wrongful obstruction of the owner of an incorporeal hereditament in its exercise or enjoyment: as, the disturbance of a franchise, of common, of ways, or of tenure.n. In astronomy, same as perturbation; the deviation of a body from the elliptical orbit it would otherwise pursue, caused by the attraction of bodies other than the primary.