Refers to a deep, resonant, continuous loud sound such as thunder, engines, or a waterfall.
I heard the rumble of thunder in the distance.
The roar of the airplane echoed through the sky.
Used for a strong, rhythmic physical sensation, especially a heartbeat or pulse, often with emotional intensity.
My heart wouldn't stop pounding from nervousness.
Kana spelling is acceptable, especially in casual or sound-focused writing.
Noun form of the verb 轟く (とどろく), which is of native Japanese origin. The exact derivation is uncertain, but it is likely sound-symbolic, imitating a deep rumbling noise.