δύσφημος
From LSJ
ὑπὸ δὲ τῆς φιλαυτίας παρηγμένοι ἄλογα φασὶν τὰ ζῷα ἐφεξῆς τὰ ἄλλα σύμπαντα → it is self-love which leads them to say that all the other animals without exception are non-rational
English (LSJ)
Dor. -φᾱμος, ον,
A of ill omen, boding, Hes.Op.735; opp. εὔφημος, E.Andr. 1144, Pl.Hp.Ma.293a. Adv. -μως, ἱερουργεῖν Zen.4.95. II slanderous, shameful, ἔπη Thgn.307; λόγος Men. 715; abusive, Plu.Luc.18. Adv. -μως Phryn.PSp.62 B. III of ill fame, evil, κλέος Pi.N.8.37.