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whopper

American  
[hwop-er, wop-] / ˈʰwɒp ər, ˈwɒp- /
Or whapper

noun

Informal.
  1. something uncommonly large of its kind.

  2. a big lie.


whopper British  
/ ˈwɒpə /

noun

  1. anything uncommonly large of its kind

  2. a big lie

"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 whopper

First recorded in 1775–85; whop + -er 1

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.

Keyes says Hong Kong Airlines made a whopper of a mistake in 2018, offering round-trip business-class fares to Asia from the U.S. for less than $600.

From The Wall Street Journal • Apr. 22, 2026

New musicals are impossible dreams, and this is a whopper of a show, daunting in scale and jaw-dropping in ambition.

From Los Angeles Times • Nov. 9, 2025

You have invested so prodigiously that you have left yourself with a whopper of a tax bill if you were to withdraw large sums now.

From MarketWatch • Oct. 16, 2025

Telling such an obvious whopper to a jury seems like it will backfire by making them believe the defense attorneys are just liars.

From Salon • May 6, 2024

She was telling a whopper, and I wondered why.

From "A Long Way from Chicago" by Richard Peck

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