(ごうおん)

ごうおん
noun
roar; thunderous sound; rumble
1. roar; thunderous sound; rumble
A very loud, deep, reverberating sound, such as that of engines, explosions, or thunder.
轟音(ごうおん)(ひび)いた
A thunderous roar echoed.
The roar of the airplane drowned out the conversation.
The windowpanes of the building shattered with the thunderous sound of the explosion.

Describes an extremely loud, deep sound that can be felt physically. Stronger and more dramatic than 騒音(そうおん) (noise), which focuses on unwantedness rather than volume.

Common collocations

Often appears in literary and journalistic writing to convey dramatic impact. The kanji (とどろ)く means "to roar" or "to rumble."