κρεῖττον σιωπᾶν ἐστιν ἢ λαλεῖν μάτην → it's better to keep silence than to speak without reason (Menander)
(see also ἀποκρούω): beat off
repellere, to drive back, repulse, 2.4.2, 4.115.2,PASS. repelli, to be driven back, 4.107.2, 7.43.1, 8.100.3.
