Sense

1. without brother or sister

Examples

• ἀδελφή τ, εἰ γεγῶσα τυγχάνει - οἱών στερεῖσα διπτύχων νεανιῶν ἀνάδελφος ἔσται. (Euripides, Iphigenia in Tauris, episode, anapests 1:7)
• καὶ γὰρ οὐδ ἐγώ, ξένοι, ἀνάδελφός εἰμι, πλὴν ὅς οὐχ ὁρῶσά νιν. (Euripides, Iphigenia in Tauris, episode, anapests 4:20)
• πῶς μόνη σωθήσομαι, ἀνάδελφος ἀπάτωρ ἄφιλος· (Euripides, episode 4:18)

Similar forms

• ἀνάδελφος (2)
• ἀναδέλφων (1)
• ἀνάδελφός? (1)

Source: Henry George Liddell. Robert Scott. "A Greek-English Lexicon". revised and augmented throughout by. Sir Henry Stuart Jones.