'ur

any noise, prolonged sound, not a sharp report, hyperbole [JV]

1) busy activity, hurly burly, din; 2) exaggeration and denigration; 3) [be startled by] [sudden] noise [IW]

a hum; busy activity, hurly burly, careless, noise, din, clashing, cracking, roar, thunder clap; thunder clap [RY]

1) busy activity, hurly burly, din [kind of roaring sound [middle of a market place]; 2) exaggeration and denigration; 3) sudden noise)/ [shying horse. clashing, cracking, roar, thunder clap careless] [IW]

1) ongoing hum, ever-present hum, ongoing roar, ever-present roar, ongoing murmur, ever-present murmur, ongoing ringing, ever-present ringing (as in mantra); 2) din, noise, clamor; 3) clashing, crashing, clanging, cracking; 4) thunder clap. [Erick Tsiknopoulos]