knockoff

1 of 2

noun

knock·​off ˈnäk-ˌȯf 

: 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 already knocked 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

Synonyms of knockoff

Verb

• stop
• cease
• end
• halt
• break off
• quit
• lay off
• cut off
• shut off

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

Noun

That’s part of a black-market advertising bonanza on the social media site, where sellers are now hawking fake GLP-1 weight-loss drugs and experimental Chinese peptides alongside knockoff luxury handbags and sneakers. — Iain Martin, Forbes.com, 21 Aug. 2026

Any safety concerns that emerge with knockoff versions could threaten the drug’s reputation, even though Lilly has been running its own large-scale clinical trial program on the medication. — Bloomberg, Fortune, 12 Aug. 2026

Verb

Mansfield Timberview signaled state-title ambitions by demolishing West Mesquite 69-7, while White Settlement Brewer knocked off Class 6A Haltom 31-14 to open Class 5A play. — Fort Worth Star-Telegram, 31 Aug. 2026

The Carolina Panthers won the league’s weakest division with a losing record but nearly knocked off the Rams in a wild-card game. — ABC News, 31 Aug. 2026

Word History

First Known Use

Noun

1966, in the meaning defined above

Verb

1649, in the meaning defined at intransitive sense

Rhymes for knockoff

• ashraf
• checkoff
• cutoff
• falloff
• handoff
• kickoff
• layoff
• liftoff
• markoff
• markov
• payoff
• playoff

Kids Definition

knock off

verb

: to stop doing something