(adj): vs. nonviolent) -- (acting with or marked by or resulting from great force or energy or emotional intensity
(adj): very severe
(adj): vs. mild) -- (possessing or displaying a distinctive feature to a heightened degree
(adj): (of the elements) as if showing violent anger
(adj): vs. calm) -- ((especially of weather) affected or characterized by storms or commotion
rage
(v): behave violently, as if in state of a great anger
(v): behave in a certain manner; show a certain behavior; conduct or comport oneself
(v): be violent; as of fires and storms
(v): have the quality of being; (copula, used with an adjective or a predicate noun)
(v): feel intense anger