make into a wild beast, τοὺς πρὸς αὐτὴν ἀφικνουμένους ἡ Κίρκη θηριοῖ Phld. Piet. 144:—Pass., IG 14.1291.
Pass., come to the full size of a beast, πρὶν θηριοῦσθαι τὸν γόνον Eub. 107.14.
become brutal, θηριούμενος Pl. Lg. 935a; πρός τινας Phld. Lib. p.25O.; πρὸς ἀγριότητα Ph. 2.53.
of seeds, to be infested with worms, Thphr. CP 5.18.1.
of places, to be infested with reptiles, Paul.Aeg. 5.1.
Medic., become malignant, ἕλκη ἐᾶσαι θηριωθῆναι Thphr. Char. 19.3; τεθηριωμένον ἕλκος Dsc. 3.9.