ACU'TENESS, noun 1. Sharpness; but seldom used in this literal sense, as applied to material things. 2. Figuratively, the faculty of nice discernment or perception; applied to the senses, or the understanding. By an acuteness of feeling, we perceive small objects or slight impressions; by an acuteness of intellect, we discern nice distinctions. 3. Sharpness, or elevation of sound, in rhetoric or music. 4. Violence of a disease, which brings it speedily to a crisis.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI