Usage Note: The meanings of intense and intensive overlap considerably, but the two adjectives often have distinct meanings. Intense often suggests a strength or concentration that arises from an inner disposition and is particularly appropriate for describing emotional states: "He wondered vaguely why all this intense feeling went running because of a few burnt potatoes" (D.H. Lawrence). Intensive is more appropriate when the strength or concentration of an activity is imposed from without: "They worked out a system of intensive agriculture surpassing anything I ever heard of, with the very forests all reset with fruit- or nut-bearing trees" (Charlotte Perkins Gilman). Thus a reference to Mark's intense study of German suggests that Mark engaged in concentrated activity, while Mark's intensive study of German suggests the course Mark took was designed to cover a lot of material in a brief period.