Dictionary.com
Thesaurus.com

wah-wah

American  
[wah-wah] / ˈwɑˌwɑ /
Or wa-wa

adjective

  1. producing a muted, bawling sound like that of a trumpet with the hand moved momentarily over the bell.

    a wah-wah effect on a synthesizer; a guitar with a wah-wah pedal.


noun

  1. a sound or effect like the muted sound of a trumpet, especially in music.

  2. an electronic device or attachment to produce such a sound, often used with an electric guitar.

wah-wah British  
/ ˈwɑːˌwɑː /

noun

  1. the sound made by a trumpet, cornet, etc, when the bell is alternately covered and uncovered: much used in jazz

  2. an electronic attachment for an electric guitar, etc, that simulates this effect

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of wah-wah

First recorded in 1925–30; imitative

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.

“Stay on That” is one of the slinkier numbers on the album, with rapidly strummed guitars and a wah-wah squawk that recalls Isaac Hayes’s “Theme From Shaft.”

From The Wall Street Journal • Mar. 17, 2026

When you step on the amp’s attached wah-wah pedal, it plays the guitarist Frank Jauernick’s recreation of the Hendrix version loud enough to shake your sternum.

From New York Times • Aug. 12, 2021

A 19-year-old Stevie Wonder performs “Shoo-Be-Doo-Be-Doo-Da-Day” and takes a blistering clavinet solo through a wah-wah pedal, a preview of what would soon become one of the signature sounds of Wonder’s 1970s reign.

From Slate • Jul. 2, 2021

And his use of the wah-wah pedal, an electronic device popularized by rock guitarists such as Jimi Hendrix, only enhanced its plaintive quality.

From Washington Post • Jun. 16, 2020

Say, I have been good; no harm old wah-wah.

From The Log School-House on the Columbia by Butterworth, Hezekiah