Despite public outcry ahead of the verdict, reaction was deafeningly silent.
Sunny and I met in the winter of 1959, at the deafeningly expensive Palace Hotel in Saint Moritz, Switzerland.
As they touched the tempestuously tossing slime, it shrieked stridently, deafeningly—cosmically!
Sometimes the whole party, including the sentinel, set up a simultaneous yell so deafeningly loud that it can be heard a mile.
1590s, "to make deaf," from deaf + -en (1). The earlier verb was simply deaf (mid-15c.). For "to become deaf, to grow deaf," Old English had adeafian (intransitive), which survived into Middle English as deave but then took on a transitive sense from mid-14c. and sank from use except in dialects (where it mostly has transitive and figurative senses), leaving English without an intransitive verb here.
deafen deaf·en (děf'ən)
v. deaf·ened, deaf·en·ing, deaf·ens
To make deaf, especially momentarily by a loud noise.