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thwack

American  
[thwak] / θwæk /

verb (used with object)

thwacks, present (3rd person singular) thwacked, past participle, past thwacking present participle
  1. to strike or beat vigorously with something flat; whack.


noun

  1. a sharp blow with something flat.

thwack British  
/ θwæk /

verb

  1. to beat, hit, or flog, esp with something flat

"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

noun

    1. a blow with something flat

    2. the sound made by it

"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

interjection

  1. an exclamation imitative of this sound

"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

Other Word Forms

Derived Forms

Inflected Forms

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Conjugated Forms

Present

Past

Future

Etymology

Origin of thwack

First recorded in 1520–30; imitative

Vocabulary lists containing thwack

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.

The following “RV Envy” adds the thwack of a full drum kit to the mix, and the staticky howl of the hurdy-gurdy is as hectic as a smashed window triggering a building’s alarm system.

From The Wall Street Journal • Feb. 3, 2026

On Everybody's Trying To Figure Me Out, she even tuned her snare drum to match the "iconic" thwack of U2's Sunday Bloody Sunday.

From BBC • Dec. 13, 2025

Dahlia Lithwick: I think what Judge Burroughs did was quite remarkable—she took a thwack at Justices Neil Gorsuch and Brett Kavanaugh in the opinion itself.

From Slate • Sep. 5, 2025

Only then can he thwack the ball toward his opponent.

From Salon • Aug. 6, 2024

The sound’s not deafening, like with an acoustic kit, but you can hear every thwack and tap on the pad.

From "Leah on the Offbeat" by Becky Albertalli

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