knock·​off | \ ˈnäk-ˌȯf \

Definition of knockoff

 (Entry 1 of 2)

: a copy that sells for less than the original broadly : a copy or imitation of someone or something popular

knock off


Definition of knock off (Entry 2 of 2)

intransitive verb

: to stop doing something

transitive verb

1 : to do hurriedly or routinely knocked off one painting after another
2 : discontinue, stop knocked off work at five
3 : deduct knocked off a little to make the price more attractive
4a : kill knocked off two men … on mercenary grounds— Lewis Baker
b : overcome, defeat knocked off each center of rebellion
5 : rob knocked off a couple of banks
6 : to make a knockoff of : copy, imitate knocks off popular dress designs

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Examples of knockoff in a Sentence


That purse is a knockoff.


decided it was time to knock off telling fantastic fibs about her family background a proposal to knock 10 cents off the gasoline tax
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Recent Examples on the Web: Noun

Warren’s new bill would allow the feds to produce cheap generic drugs The two lawmakers are targeting generic drugs — knockoff versions of brand-name medications that have lost their patent protections — specifically in their legislation. Dylan Scott, Vox, "Warren’s interesting new bill to lower generic drug prices, explained.," 20 Dec. 2018 So, is Home Alone just a US knockoff, sanitized for American tastes? Jennifer Ouellette, Ars Technica, "Dial Code: Santa Claus is our new favorite holiday cult classic," 24 Dec. 2018 WhatsApp Status was launched early last year as a knockoff of the Stories feature found in Instagram and Snapchat. Jon Porter, The Verge, "WhatsApp found a place to show you ads," 1 Nov. 2018 The sub has gone through stages: Actual T_D knockoff, Trump memes, and now Donald Glover memes. Taylor Lorenz, The Atlantic, "Donald Glover Fans Have Taken Over a Pro-Trump Reddit Page," 22 May 2018 Heather McDonald is the closest thing the fashion industry has to a four-star general in the war against knockoffs. Catherine Hong, Town & Country, "An Expert on Counterfeit HandBags Reveals How You Can Always Spot the Fakes," 17 Sep. 2018 Moreover, as diverse global influences — from knockoff Western fashions to Nigerian pop music and French TV — slowly reached the masses, young women in cities like Nouakchott, the capital, were beginning to slim down under their mulafa robes. Abigail Haworth, Marie Claire, "Forced to Be Fat," 21 July 2011 When a wave of hoverboard knockoffs from China started to flood the market in the United States in 2015, Chen used his patent to keep as many competitors at bay as possible. Sean O'kane, The Verge, "Mark Cuban’s hoverboard company has gone up in smoke," 26 Sep. 2018 It's got more than 90 reviews, and a 4.6-star rating, with plenty of customers chiming in about how realistic the knockoff is. Alyssa Fiorentino, House Beautiful, "Can You Tell The Real Houseplants From The Fake One?," 24 Aug. 2018

Recent Examples on the Web: Verb

All sizes are available with as much as $30 knocked off of the price. Cameron Faulkner, The Verge, "$100 off an Xbox One console with Red Dead Redemption 2 deal expires today, plus other tech deals," 3 Nov. 2018 But golly, there everyone was with the park’s night-marauding raccoons after the White all-stars knocked off the tournament’s only unbeaten team 4-3. Robert Avery, Houston Chronicle, "League City Red ekes out Section Pony crown over League City White," 3 July 2018 After knocking off Green Bay and Carolina in consecutive weekends, Seattle is suddenly looking like a solid candidate for that NFC Wild Card spot. Seattle Times Sports Staff, The Seattle Times, "Seahawks live chat rewind | Bradley McDougald’s stock is up; Will there be a letdown vs. the 49ers?," 27 Nov. 2018 In a bout of friendly fire, McNally defeated Świątek in the singles semifinals, after knocking off the 14th, 8th, and No. 1 seeds in the tournament. Jonathan Richardson,, "Madeira junior McNally advances to French Open Junior singles, doubles finals," 8 June 2018 The regular-season finale also took on added significance Friday night after Washington knocked off No. Ron Richmond For The Oregonian/oregonlive,, "Kyle Nobach, Bryce Fehmel help No. 2 Oregon State baseball clinch series win over No. 16 UCLA," 26 May 2018 The Bobcats advanced to the NCAA Tournament for the second straight year after having a surprising run to the Sweet 16 in 2017, knocking off No. Lori Riley,, "Former Weaver Star Edwards Transferring To Quinnipiac," 9 May 2018 Mundelein knocked off Hoffman Estates for Dressen’s 500th victory, then beat Grant for his 501st. Bob Narang,, "Boys volleyball notes: Carmel's seniors learning to work together on the fly," 9 Apr. 2018 And Alexandria Ocasio-Cortez will likely bring her own brand of socialism to Congress next year, having knocked off New York Rep. Joe Crowley in a primary. Brian Riedl, Vox, "America might be ready for democratic socialism. It’s not ready for the bill.," 7 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'knockoff.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of knockoff


1966, in the meaning defined above


1649, in the meaning defined at intransitive sense

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Statistics for knockoff

Last Updated

15 Feb 2019

Look-up Popularity

Time Traveler for knockoff

The first known use of knockoff was in 1649

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More Definitions for knockoff



English Language Learners Definition of knockoff

: a cheap or inferior copy of something

More from Merriam-Webster on knockoff

Rhyming Dictionary: Words that rhyme with knockoff

Comments on knockoff

What made you want to look up knockoff? Please tell us where you read or heard it (including the quote, if possible).


excited commotion or publicity

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