1. Noun.  The quality of being acute or pointed; as, the acuteness of an angle.
  2. Noun.  The faculty of nice discernment or perception; 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.
  3. Noun.  Shrillness; high pitch; – said of sounds.
  4. Noun.  Violence of a disease, which brings it speedily to a crisis.
  5. Noun.  Shrewdness, quickness of mind.

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This entry was last updated on RefTopia from its source on 3/20/2012.