EDGE. border a line or area that is the outermost part or the part farthest away from the center of something part above drop the area where land suddenly falls away steeply brink the point or moment just before a marked change or event meeting surfaces the line where two surfaces of something solid meet sharp side the cutting side of a blade sharpness sharpness of a blade sharp quality a piercing, cutting, or wounding quality, e.g. of language or expression vigor noticeable vigor and energy advantage an advantage over somebody, e.g. a competitor provocative risky manner an audacious, provocative, original quality or manner