sharpness noun7 •the cutting ability of an edge; keenness. •the fineness of the point a pointed object. •distinctness, focus. •acuteness or acuity.Mrs. PAGE is gifted with a pleasing voice, which is yet imperfectly weeded of certain sharpnesses, but seems susceptible of a wide range of melodious inflection. — 1861 •pungency or acidity. •The product or result of being sharp. •(no longer used) edge or blade formssharpnesses