I.sharp, keen, Hom., Hes., etc.; ἐς ὀξὺ ἀπηγμένος brought to a point, Hdt.; τὸ ὀξύ the vertex of a triangle, id=Hdt.
II.of feeling, sharp, keen, ὀδύναι Il.; ὀξὺς ἠέλιος the piercing sun, Hhymn.; so, χιὼν ὀξεῖα, like Hor.'s gelu acutum, Pind.; μάχη ὀξέα keenly contested, Hdt.
2.of the sight, neut. as adv., ὀξύτατον δέρκεσθαι to be keenest of sight, Il.; so ὀξὺ νοεῖν to notice a thing sharply, id=Il.; ὀξὺ ἀκούειν to be quick of hearing, id=Il.
b.of things that affect the sight, dazzling, bright, of the sun, id=Il.; of colours, Ar.
b.of musical tones, sharp, high, opp. to βαρύς, Plat.
4.of taste, sharp, pungent, acid, Xen., etc.
III.metaph. of mind, sharp, keen: quick to anger, hasty, passionate, Il., Soph., etc.
IV.of motion, quick, swift, Ar.; [ἡ νόσος] ὀξεῖα φοιτᾷ καὶ ταχεῖ᾽ ἀπέρχεται Soph.; ὀξὺς νότος id=Soph.
V.regul. adv. ὀξέως, quickly, soon, Thuc., Plat.; but,