διὰ τῆς σιωπῆς πικρότερον κατηγορεῖ → through silence you accuse yourself more harshly (Menander)
adj.
Lit., V. διάτορος, διανταῖος. Stinging: P. and V. ὀξύς, Ar. and P. δριμύς, Ar. and V. ὀξύστομος. Of sound: P. and V. ὀξύς, V. λιγύς (also Plat. but rare P.), ὄρθιος, πικρός, διάτορος, Ar. and V. ὑπέρτονος. Of sight: Ar. and P. ὀξύς.