The nominative may be used in exclamations as a predicate with the subject unexpressed: ὦ πικρὸς θεοῖς
oh loathed of heaven S. Ph. 254, φίλος ὦ Μενέλᾱε
ah dear Menelaus Δ 189; and connected with the vocative by and: ὦ πόλις καὶ δῆμε
oh city and people Ar. Eq. 273. In exclamations about a person: ὢ γενναῖος
oh the noble man P. Phae. 227c.
a. οὗτος is regular in address: οὗτος, τί πάσχεις, ὦ Ξανθίᾱ; ho there, I say, Xanthias, what is the matter with you? Ar. Vesp. 1; ὦ οὗτος, Αἴᾱς ho there, I say, Ajax S. Aj. 89.