| Deafen 1. (v. t.) To make deaf; to deprive of the power of hearing; to render incapable of perceiving sounds distinctly. 2. (v. t.) To render impervious to sound, as a partition or floor, by filling the space within with mortar, by lining with paper, etc. Thesaurus Entries awake the dead, baffle, blast, blast the ear, boom, crash, crescendo, cushion, damp, dampen, deaden, din, dull, fill the air, muffle, mute, peal, rattle the windows, rend the air, rend the ears, resound, ring, rise, rock the sky, soft-pedal, soften, split the eardrums, split the ears, startle the echoes, stop, stun, subdue, surge, swell, thunder, tone down | ![]() |