Any disturbed state of the atmosphere, especially as affecting the earth's surface, and strongly implying destructive or unpleasant weather. A violent agitation of human society; a civil, political, or domestic commotion; violent outbreak. (meteorology) a wind scale for very strong wind, stronger than a gale, less than a hurricane (10 or higher on the Beaufort scale). (military) A violent assault on a stronghold or fortified position. (intransitive, with adverbial of direction) To move quickly and noisily like a storm, usually in a state of uproar or anger. (intransitive) To rage or fume; to be in a violent temper. (transitive) To assault (a stronghold or fortification) with military forces. (impersonal) To have the weather be violent, with strong winds and usually rain, thunder, lightning, or snow.