deafen Copy link Outline 1. exsurdo, 12. obtundo, ŭdi, ūsum, 3 (to stun with noise)3. (of disease) • deafen: 1. exsurdo, 1: Plin. 2. obtundo, ŭdi, ūsum, 3 (to stun with noise): Ter. 3. (of disease): obstrŭo, xi, ctum, 3: Sen.