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

But on the other hand, the black-market knockoff purchase became domesticated by its authentic source, transformed back into a brand experience. Courtney Coffman, The Atlantic, "Shops Aren’t for Shopping Anymore," 19 June 2018 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

Recent Examples on the Web: Verb

Then the Spartans went to Penn State and knocked off the Nittany Lions on a last-minute touchdown. Noah Trister, The Seattle Times, "No. 24 Spartans have ‘chip’ back with No. 6 Michigan looming," 16 Oct. 2018 Somebody hit the van and knocked off the side-view mirror. A.j. Baime, WSJ, "A Musical Road Warrior’s ‘Dream’ Transportation," 11 Sep. 2018 Justin and wife Jessica Biel originally listed the space back in March for $7.995 million, before trimming the price in May, then knocking off another $245,000 this month. Candace Braun Davison, House Beautiful, "There's An Interesting Theory Why Justin Timberlake's New York Penthouse Hasn't Sold," 25 July 2018 Daley told the outlet that her tires were coated in a layer of asphalt three inches thick, and that some had also detached and knocked off her mud guard. Jamie Ducharme, Time, "A Road in Australia 'Melted' and Destroyed Drivers' Tires," 5 July 2018 The Mercury won easily over the one-win Fever, 95-77, then knocked off the Mystics, 84-74, on Saturday. Jeff Metcalfe, azcentral, "Phoenix Mercury starting power forward Sancho Lyttle out with season-ending knee injury," 2 July 2018 Since its elevation to a cabinet-level department in 1989, the VA has shed secretaries faster than the Praetorian Guard knocked off Roman emperors. Rebecca Burgess, WSJ, "The VA Continues a Centuries-Long History of Scandal," 26 June 2018 On Saturday evening at Kean University, Deanna Knobloch coached her daughter to a state championship as the Quakers knocked off Ridgewood, 14-9, in the Torunament of Champions title game. Corey Sharp,, "Knoblochs lead Moorestown girls' lacrosse to Tournament of Champions title," 9 June 2018 While some stores knock off a measly 3.14 percent to celebrate Pi Day, Microsoft is going big, offering up to 31.4 percent off select PCs at the Microsoft Store and pricing others at $314. Mark Hachman, PCWorld, "Microsoft knocks a stunning 31.4% off Pi Day laptop deals," 14 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

11 Oct 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

See words that rhyme with knockoff

Comments on knockoff

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a private place of worship

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