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.

Informal . 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.

noun

ignoramus , imbecile

verb

decelerate

noun

adept , expert , genius , gifted person , marvel , pro * , prodigy , professional , star , virtuoso , wonder , bumble , burr , buzz , drone , whir , ace , authority , dab hand , master , past master , proficient , wizard

verb

bullet , buzz , dart , flit , fly , hiss , hum , hurry , hurtle , race , speed , swish , whir , whirl , whisk , whoosh , zip , bumble , burr , drone , fizz , fizzle , sibilate , sizzle , bolt , bucket , bustle , dash , festinate , flash , fleet , haste , hasten , hustle , pelt , rocket , run , sail , scoot , scour , shoot , sprint , tear , trot , wing , zoom , adept , expert , genius , marvel , master , professional , whirr , wizard