δυσπρόσφορος

From LSJ

μηδενί δίκην δικάσῃς πρίν ἀμφοῖν μῦθον ἀκούσῃς → do not give your judgement on anything until you have heard a speech on both sides

Source

Spanish (DGE)

-ον
poco apetecible, desagradable τροφή Plu.2.668e (cj.).