1. (

• ace ,
• adept ,
• champion ,
• sensation ,
• maven ,
• mavin ,
• virtuoso ,
• genius ,
• hotshot ,
• star ,
• superstar ,
• whiz ,
• whizz ,
• wizard ,
• wiz

) someone who is dazzlingly skilled in any field ;

2. (

• whiz

) a buzzing or hissing sound as of something traveling rapidly through the air; "he heard the whiz of bullets near his head" ;

1. (

• whizz ,
• whiz ,
• whirr ,
• whir ,
• birr ,
• purr

) make a soft swishing sound; "the motor whirred"; "the car engine purred" ;