A violent collision or impact; a heavy blow. See Synonyms at collision. The effect of such a collision or blow. Something that jars the mind or emotions as if with a violent unexpected blow. The disturbance of function, equilibrium, or mental faculties caused by such a blow; violent agitation. A severe offense to one's sense of propriety or decency; an outrage. A potentially fatal physiological reaction to a variety of conditions, including illness, injury, hemorrhage, and dehydration, usually characterized by marked loss of blood pressure, diminished blood circulation, and inadequate blood flow to the tissues. The sensation and muscular spasm caused by an electric current passing through the body or a body part. A sudden economic disturbance, such as a rise in the price of a commodity. A shock absorber. To strike with great surprise and emotional disturbance. To strike with disgust; offend. To induce a state of physical shock in (a person). To subject (an animal or person) to an electric shock. To come into contact violently, as in battle; collide. A number of sheaves of grain stacked upright in a field for drying. A thick heavy mass: a shock of white hair. To gather (grain) into shocks.