- acuteness, acuity, sharpness, keenness - a quick and penetrating intelligence; "he argued with great acuteness"; "I admired the keenness of his mind"
--1 is a kind of intelligence
--1 has particulars: steel trap - acuteness - the quality of having a sharp edge or point
--2 is a kind of sharpness, keenness
Antonyms: obtuseness