1. (v.i.)whiz to make a humming, buzzing, or hissing sound, as an object passing swiftly through the air.
2. whiz to move with such a sound: A cloud of hornets whizzed by.
3. (v.t.)whiz to cause to whiz.
4. (n.)whiz Informal. a person who is very good at a particular activity or in a specific field: a whiz at math.
5. whiz the sound of a whizzing object.
6. whiz a swift movement producing such a sound.
Etymology: (1540–50; imit.; cf. fizz)
Definition of 'Whiz'
Princeton's WordNet
1. (noun)ace, adept, champion, sensation, maven, mavin, virtuoso, genius, hotshot, star, superstar, whiz, whizz, wizard, wiz someone who is dazzlingly skilled in any field
2. (verb)whiz a buzzing or hissing sound as of something traveling rapidly through the air "he heard the whiz of bullets near his head"
3. (verb)whizz, whiz, whirr, whir, birr, purr make a soft swishing sound "the motor whirred"; "the car engine purred"
Definition of 'Whiz'
Webster Dictionary
1. (noun)Whiz a hissing and humming sound
2. (verb)Whiz to make a humming or hissing sound, like an arrow or ballflying through the air; to fly or move swiftly with a sharp hissing or whistling sound
Definitions of Whiz 
