to groan; to moan; to roar; to howl; to hum (engine, wind, etc.); to buzz; to ooh and aah (in admiration)
groan; moan; roar; growl; buzz; hum (e.g. motor)
groan; moan; roar; howl; hum (e.g. motor); buzz (e.g. bee, wire in wind)
to let out a roar (hum, groan, moan); to produce a loud noise
to a great extent; incredibly (tasty, much, etc.); (money) to burn; rolling in (cash)