A.acridness of humours, Hp.VM18 (pl.); pungency of taste, etc., Anaxipp.1.46, Alex.Aphr.Pr.2.70: pl., Arched. 2.7, Thphr.CP1.16.9; itches, Agatharch.58; of smoke, Plb.21.28.16.
II. metaph., keenness, eagerness, Pl.Plt.311a; “δ. πρὸς τὰ μαθήματα” Id.R.535b; keenness of wit or satire, Plu.2.48a, Luc.Alex. 4; πανουργία καὶ δ. ib.483f; “ποικιλία καὶ δ.” Arr.Epict.2.23.40; bitterness in controversy, Phld.Ir.p.22 W.
2. esp. in Lit. Crit., use of striking words and turns of phrase, Id.Piet.15, Hermog.Id.2.5, Inv.3.13, Aristid.Rh.2pp.513,524S.
3. fierceness, grimness, “τοῦ προσώπου” App.BC1.70.