I.to strike or dash against, τί τινι Il.; ἀψῖδα πέτρῳ πρ. letting it dash against, Eur.; τὸν πρὶν ὄλβον ἕρματι πρ. to wreck his happiness on a rock, Aesch.; πρ. θηρία τινί to set them on him, Dem.; πρ. δόρυ τινί Eur.:—without any notion of violence, to put to, apply, μαλακὰν χέρα πρ. [ἕλκει] of a surgeon, Pind.; πρ. παρειὰν παρηίδι Eur.; ὄμματα τέκνοις id=Eur.
2.to assign to, procure for, κέρδος τινί Hdt.; πρ. Λακεδαιμονίοις Ὀλυμπιάδα to give them the honour of an Olympic victory, id=Hdt.; πρ. κακὸν τῇ πόλει Aesch.; εὔκλειαν σαυτῇ Soph.; πρ. δεῖμά τινι, Lat. incutere timorem alicui, Eur.
3.with acc. of the object struck, ἀρούρας προσβάλλειν, of the Sun, to strike the earth with his rays, Hom.; of smells, βροτοῦ [ὀσμὴ] με προσέβαλε Ar.
4.metaph. to attend to a thing or to add, Soph.
II.intr. to strike against, to make an attack or assault upon, τινί Aesch., etc.; πρὸς τὸ τεῖχος Hdt.:—absol. to attack, charge, id=Hdt.; προσβαλὼν αἱρεῖ τὴν πόλιν by assault, Xen.
B.Mid. to throw oneself upon, attack, τινα Il.