- sharp sense or feeling - The quality of being acute or pointed; sharpness; as,
the acuteness of an angle. - The faculty of nice discernment or perception; acumen;
keenness; sharpness; sensitiveness; -- applied to the senses, or the
understanding. By acuteness of feeling, we perceive small objects or
slight impressions: by acuteness of intellect, we discern nice
distinctions. - Shrillness; high pitch; -- said of sounds. - Violence of a disease, which brings it speedily to a
crisis.