knock·​off | \ ˈnäk-ˌȯf How to pronounce knockoff (audio) \

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

knocked off; knocking off; knocks 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

Keep scrolling for more

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
See More

Recent Examples on the Web: Noun

Fashion Nova Mugler knockoff shot 4 days before Kim wore it on 02/18/19. Lauren Alexis Fisher, Harper's BAZAAR, "Is Kim Kardashian Helping Fast Fashion Sites Knock Off Her Designer Looks?," 20 Feb. 2019 The retail knockoff industry was caught by surprise, like much of the fashion industry and press in general, by Markle's selection of Givenchy and its British design chief, Clare Waight Keller, as the designer for her wedding ceremony gown. Maria Puente, USA TODAY, "Exclusive: Here come the Meghan Markle royal wedding gown knockoffs," 25 May 2018 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

Recent Examples on the Web: Verb

Game of Thrones boasts one of the highest body counts on TV, knocking off even major characters in some very gruesome ways. Jennifer Ouellette, Ars Technica, "New study gives some handy tips on how to survive on Game of Thrones," 9 Dec. 2018 At the same time, Republican hopes were fading that the party can knock off a Democratic senator in West Virginia, where a super PAC tied to Senate Majority Leader Mitch McConnell stopped airing TV ads in the campaign’s final week. Reid J. Epstein, WSJ, "A Test of Trump: Midterms Could Result in a Mixed Verdict," 4 Nov. 2018 Andrew Luck is back healthy but still has some rust to knock off. Steven Ruiz, For The Win, "Predicting the outcome of every 2018 NFL regular season and playoff game," 8 May 2018 Those Knicks, which knocked off Pat Riley’s No. 1-seeded Heat in Round 1, lost to the Spurs in five games in the Finals. Manny Navarro And Barry Jackson, miamiherald, "Here is one reasons why Dwyane Wade, Heat feel Miami can pulloff a first round upset | Miami Herald," 4 Apr. 2018 The Atlanta Falcons may have the upper hand, with the Ramblers having just knocked off Kansas State in Phillips Arena, a short walk from their own stadium. Michael Reader, charlotteobserver, "This nun is core to the heaven-sent story of the Final Four. The Panthers want in.," 26 Mar. 2018 Indeed, few forces seemed capable of knocking off the Knights ... until Ovechkin stormed the castle in all his gray-haired, GIF-able glory. Alex Prewitt,, "The Great Wait Is Finally Over: After 13 Seasons, Alex Ovechkin Is a Stanley Cup Champion," 11 June 2018 The witness saw the woman get out of the car after the crash, pick up her license plate which had been knocked off and then get back into her vehicle and drive northbound on Orchard, police said. Staff Report, Aurora Beacon-News, "Yorkville bicyclist seriously injured in Aurora hit-and-run crash," 4 May 2018 West Brook has so far knocked off Dobie, Memorial and now the Trojans. Robert Avery, Houston Chronicle, "West Brook's Bruins rush past South Houston 12-0," 24 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.

See More

First Known Use of knockoff


1966, in the meaning defined above


1649, in the meaning defined at intransitive sense

Keep scrolling for more

Learn More about knockoff

Statistics for knockoff

Look-up Popularity

Time Traveler for knockoff

The first known use of knockoff was in 1649

See more words from the same year

Keep scrolling for more

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).


one that collects or salvages junk

Get Word of the Day daily email!

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time traveler quiz which word came first
  • Which came first?
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!