- to make a humming, buzzing, or hissing sound, as an object passing swiftly through the air.
- to move or rush with such a sound: The angry hornets whizzed by in a cloud.
- to cause to whiz.
- to treat with a whizzer.
- a person who is quite good at a particular activity, in a certain field, etc.: She's a whiz at math.
- the sound of a whizzing object.
- a swift movement producing such a sound.
