acuteness Copy link Outline I. Physical1. ăcies, ēi, f. (esp. of the eyes)2. ăcūmen, ĭnis, n.3. Expr. by adj. or phr.II. Of the intellect1. ăcĭes2. ăcūmen3. subtīlĭtas4. Expr. by adj., etc. • acuteness: I. Physical: of the senses: 1. ăcies, ēi, f. (esp. of the eyes): to sharpen the a. of the eyes, a. oculorum exacuere, Cic.: Plin. 2. ăcūmen, ĭnis, n.: to be racked with a. of pain, dolorum acuminibus tortari, Arnob. (rare in this sense). 3. Expr. by adj. or phr.: as, on account of the a. of the pain, propter acutos dolores (v. acute): when the a. of pain comes on, dolorum cum admoventur faces, Cic. II. Of the intellect: 1. ăcĭes: to study something with all the a. of the intellect, omni a. ingenii contemplari aliquid, Cic. 2. ăcūmen: the a. of intellects, ingeniorum acumen, Cic. 3. subtīlĭtas: a. of opinions, s. sententiarum, Cic.: that a. which they call Attic, ea s. quam Atticam appellant, Cic.: Tac.: v. keenness, shrewdness. 4. Expr. by adj., etc.: comp. supr. (I. fin.): a person remarkable for his a., vir naris emunctae, Hor.