ἀπόρρητος ἀπερῶ forbidden, ἀπόρρητον πόλει though it was forbidden to the citizens, Soph.; τὰ ἀπόρρητα prohibited exports, contraband articles, Ar. not to be spoken, that should not be spoken, Lat. tacendus, ἀπ. ποιεῖσθαι to keep secret, Hdt.; κύριος καὶ ῥητῶν καὶ ἀπορρήτων, of Philip, like dicenda tacenda, Dem.: ἀπόρρητον, ου, τό, a state-secret, Ar. of sacred things, ineffable, Eur. unfit to be spoken, abominable, Plat.