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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Synonyms & Antonyms for knockoff

Synonyms: Verb

abate, deduct, subtract, take off

Antonyms: Verb

add, tack (on)

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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

And value lay in the fact that work from New Spain was recognized as distinctive: not a European knockoff, but a different product with its own styles, stories and symbols. Holland Cotter, New York Times, "‘Painted in Mexico’: When a New Art Flourished Far From Mother Spain," 10 May 2018 As long as there have been luxury goods, there have been knockoffs of luxury goods. Kevin Lozano, GQ, "We're Living in the Golden Age of Knockoff Sneakers," 5 Mar. 2018 Luber said there are strong incentives to make knockoffs of rare sneakers and pass them off as genuine. Jc Reindl, Detroit Free Press, "Fast-growing Detroit startup StockX sniffs out fake sneakers," 9 July 2018 But those others, perhaps the younger-generation seat-fillers, will continue to show him unconditional love (with their wallets or their knockoffs)., "At Louis Vuitton, Virgil Abloh Brings Diversity To Paris Fashion Week," 21 June 2018 The phone has two rear-facing lenses and can use them to capture soft-background photos, but the results look like a bad iPhone knockoff. David Pierce, WSJ, "This $530 Phone Stands Up to the $1,000 Competition," 29 May 2018 Learning how to smell a knockoff is part of the training and legit check process. Jc Reindl, Detroit Free Press, "Fast-growing Detroit startup StockX sniffs out fake sneakers," 9 July 2018 Electronic equipment used for cheating is available in a sprawling Baghdad market where everything from weapons to knockoff Nintendo videogames are sold. Isabel Coles And, WSJ, "Make-or-Break Exams Bring Out the Best and Brightest Cheaters," 5 July 2018 But Atlanta’s bet on Young is not, contrary to popular belief, some attempt to create a knockoff Eastern Conference version of the Golden State Warriors, where Schlenk was a front office stalwart until coming to Atlanta last year. Dan Wolken, USA TODAY, "Why Atlanta is betting on stardom for new point guard Trae Young," 26 June 2018

Recent Examples on the Web: Verb

The truck backed into the front passenger side of the patrol car — knocking off the bumper — then hit a stop sign in the median. Jeff Weiner,, "Deputy woke driver passed out at a green light. Then, driver backed up — knocking off the deputy's bumper.," 28 June 2018 But these advances haven't changed a simple fact: Whether women work at Walmart or on Wall Street, getting pregnant is often the moment they are knocked off the professional ladder. Anchorage Daily News, "Pregnancy discrimination is rampant inside America’s biggest companies," 16 June 2018 The Owls scratched out three runs in the sixth inning to even things, then knocked off the Explorers, 5-4, in eight innings in a PIAA Class 6A semifinal at Neumann University’s Bruder Field. Rick O'brien,, "Bensalem rallies to stun La Salle in state baseball semifinal," 12 June 2018 Of course, that’s contingent on the economy not being knocked off course by a sudden shock, be it geopolitical or otherwise. Rich Miller,, "Fed Finds Success at Home Spreads Pain Abroad as Markets Tighten," 14 May 2018 The two big upsets in Region III this weekend saw fourth-place Dickinson knock off District 23 champion Pearland Dawson by scores of 5-0 and 9-2 and fourth-place Cy Woods from District 17 eliminated District 18 champion Bellaire in three games. Robert Avery, Houston Chronicle, "Rupp’s bi-district champs advance to play Clear Springs," 6 May 2018 But the majority of the front engine cowl — the entire outer barrel, the aft bulkhead and the inner barrel forward of the containment ring — were knocked off the Southwest engine, investigators said. Bart Jansen, USA TODAY, "Investigators find two pieces of broken fan blade inside Southwest Airlines engine," 3 May 2018 In June 2017, Henry County School District in Georgia got $21,196 knocked off an Apple purchase of more than $3.2 million, a savings of just 0.66 percent. Sarah Butrymowicz And Tara García Mathewson, WIRED, "Why Some Schools Pay More Than Others When Buying From Apple," 26 Mar. 2018 This was a Musketeers team that challenged for the Big East title and knocked off No. 1 Villanova during the Big East Conference regular season. Patrick Brennan,, "Your call: Which Xavier University loss in NCAA Tournament was the worst? Vot in our poll. \," 19 Mar. 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

13 Sep 2018

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

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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).


occurring twice a year or every two years

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