ācrĭtūdo — Lewis & Short
ācrĭtūdo, ĭnis, f.2. acer,
I the quality of acer, sharpness.
I Lit., of a fluid, Vitr. 2, 9, 12; 8, 3, 18 sq.—
II Trop.
A Liveliness, vivacity, force:
vigor et acritudo populi Romani,Gell. 10, 27: haut quisquam potis est tolerare acritudinem, Att. ap. Fest. p. 356 Müll. (Rib. Trag. Rel. p. 196). —
B Harshness of character:
morum,App. M. 9, 224.