wiz
Americannoun
noun
Usage
What does wiz mean? A wiz is someone who’s highly skilled or knowledgeable in a particular field or activity.Wiz is an informal word. It’s a shortening of wizard, which can have the same meaning. It’s especially used in combination with the field that the person is skilled in, as in computer wiz or math wiz. The word whiz (or less commonly whizz) can be used to mean the same thing.Example: My nephew is a real wiz with computers—I’d let him take a look at it.
Etymology
Origin of wiz
First recorded in 1900–05; by shortening
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Rams defensive end Kobie Turner is a musical wiz, and he showed it by playing the theme song to NBC’s “Sunday Night Football.”
From Los Angeles Times • Nov. 26, 2025
Waits, the tech repair wiz, said he understands Shapiro’s point: Leaving the apps doesn’t fix society.
From Washington Post • Apr. 11, 2023
Canada proved to be a wiz while working next door at the University of Pittsburgh in 2016.
From Seattle Times • Jul. 19, 2021
Some of Roderick’s friends and peers came to his defense, including “Jeopardy!” wiz Ken Jennings, who co-hosts the “Omnibus” podcast with Roderick and who begins temporarily hosting “Jeopardy!” next Monday.
From Washington Times • Jan. 5, 2021
Freddie mumbles through his cake, Samson, and Mrs. Leibowitz tells him, Don’t talk wiz you mouse full, and I laugh because she’s grown-up and she says mouse instead of mouth.
From "Angela's Ashes: A Memoir" by Frank McCourt
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.