A.= φθορά, Thgn.833, Th.2.52, Pl.Euthd.285b, Arist.Pr.879b26; “πολὺς ἐγένετο φ. τῶν πολεμίων” Plb.3.51.3: mostly in phrases, ἴτ᾽ ἐς φθόρον = φθείρεσθε (v. “φθείρω” 11.1), A.Ag.1267; οὐκ ἐς φθόρον . . ; Id.Th.252; ἄπαγ᾽ ἐς τὸν φθόρον [Epich.] ap.Ath.2.63d.
II. like ὄλεθρος, pestilent fellow, Ar.Eq.1151, D.13.24; of a woman, Ar.Th.535; “φθόρος ἀργυρίω” Theoc.15.18.