✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

knockoff

1 of 2

noun

knock·​off ˈnäk-ˌȯf How to pronounce knockoff (audio)
Synonyms of knockoffnext
: a copy that sells for less than the original
broadly : a copy or imitation of someone or something popular

knock off

2 of 2

verb

knocked off; knocking off; knocks off

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
4
a
: kill
He's alreadyknocked off two men to keep them out.W. E. Johns
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

Examples of knockoff in a Sentence

Noun That purse is a knockoff. Verb decided it was time to knock off telling fantastic fibs about her family background a proposal to knock 10 cents off the gasoline tax
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
The Picasso images appear geometric, while those pushed out of the Zuckerberg dog’s rectum look like a clip from a low-budget Matrix knockoff. Mack Degeurin, Popular Science, 4 Dec. 2025 Last month, federal immigration officers conducted a raid in the same area, targeting street vendors known for selling jewelry, watches and knockoff bags on Canal Street. Marlene Lenthang, NBC news, 30 Nov. 2025
Verb
In order to knock off Green Bay, Chicago will need to take care of the football. Evan Massey, MSNBC Newsweek, 3 Dec. 2025 Amid the drama surrounding its coach's future in doubt (more on that later), Mississippi knocked off Mississippi State in the Egg Bowl to ensure its spot in the field. Erick Smith, USA Today, 1 Dec. 2025 See All Example Sentences for knockoff

Word History

First Known Use

Noun

1966, in the meaning defined above

Verb

1649, in the meaning defined at intransitive sense

Time Traveler
The first known use of knockoff was in 1649

Browse Nearby Words

See all Nearby Words

Cite this Entry

“Knockoff.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knockoff. Accessed 6 Dec. 2025.

Kids Definition

knock off

verb
: to stop doing something
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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