·noun Shrillness; high pitch;
— said of sounds.
II. Acuteness ·noun Violence of a disease, which brings it speedily to a crisis.
III. Acuteness ·noun The quality of being acute or pointed; sharpness; as, the acuteness of an Angle.
IV. Acuteness ·noun 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.