Meaning of hum-buzz | Babel Free

Definitions

1. A low, continuous, droning sound (like a bee or an idling engine), often indicating a mechanical or electrical noise.
   onomatopoeic
2. Hubbub; busy activity or excitement.

Examples

“Speaking so quietly I was confident the ambient hum-buzz and the trio of phone conversations would keep anyone farther than a foot away from eavesdropping.”

“[...] you'll end up in the Backrooms, where it's nothing but the stink of old moist carpet, the madness of mono-yellow, the endless background noise of fluorescent lights at maximum hum-buzz, and approximately six hundred million square miles of randomly segmented empty rooms [...]”

CEFR level