duplicate

adjective
du·​pli·​cate | \ ˈdü-pli-kət How to pronounce duplicate (audio) also ˈdyü- \

Definition of duplicate

 (Entry 1 of 3)

1 : consisting of or existing in two corresponding or identical parts or examples duplicate invoices
2 : being the same as another duplicate copies

duplicate

verb
du·​pli·​cate | \ ˈdü-pli-ˌkāt How to pronounce duplicate (audio) also ˈdyü- \
duplicated; duplicating

Definition of duplicate (Entry 2 of 3)

transitive verb

1 : to make double or twofold
2a : to make a copy of a cell duplicates itself when it divides
b : to produce something equal to trying to duplicate last year's success
c : to do over or again often needlessly duplicated effort

duplicate

noun
du·​pli·​cate | \ ˈdü-pli-kət How to pronounce duplicate (audio) also ˈdyü- \

Definition of duplicate (Entry 3 of 3)

1a : either of two things exactly alike and usually produced at the same time or by the same process
b : an additional copy of something (such as a book or stamp) already in a collection
2 : one that resembles or corresponds to another : counterpart
3 : two identical copies used in the phrase in duplicate

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Other Words from duplicate

Verb

duplicative \ ˈdü-​pli-​ˌkā-​tiv How to pronounce duplicative (audio) also  ˈdyü-​ \ adjective

Choose the Right Synonym for duplicate

Noun

reproduction, duplicate, copy, facsimile, replica mean a thing made to closely resemble another. reproduction implies an exact or close imitation of an existing thing. reproductions from the museum's furniture collection duplicate implies a double or counterpart exactly corresponding to another thing. a duplicate of a house key copy applies especially to one of a number of things reproduced mechanically. printed 1000 copies of the lithograph facsimile suggests a close reproduction often of graphic matter that may differ in scale. a facsimile of a rare book replica implies the exact reproduction of a particular item in all details a replica of the Mayflower but not always in the same scale. miniature replicas of classic cars

Examples of duplicate in a Sentence

Adjective I began receiving duplicate copies of the magazine every month. I had a duplicate key made. Verb She duplicated the video to give to family and friends. Unfortunately, the results of the first study could not be duplicated. Noun In case you lose your keys, keep a set of duplicates somewhere safe. doll carriages that are duplicates of baby carriages
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Recent Examples on the Web: Adjective Customers who paid their bills online, at Village Hall or though automatic bank draft can disregard the duplicate bill, according to the website. Anna Kim, chicagotribune.com, "Buffalo Grove resends hundreds of water bills due to printer error," 8 Nov. 2019 But independent image experts have found the collage contains at least three sets of duplicate images, apparently manipulated to hide the duplication, as well as many photos that look very similar and appear to show the same fish. Martin Enserink, Science | AAAS, "Journal stands by paper facing misconduct allegations, but expresses concern about related images," 6 Nov. 2019 And the buyer would know there hasn’t been a duplicate title issued that would make the title the buyer is holding invalid. cleveland.com, "What if you sell your car, but the buyer doesn’t transfer the title out of your name? Money Matters," 14 Aug. 2019 The spokesperson said the database contains many duplicate entries and the company estimates the number of users impacted is about half of what TechCrunch reported. Donie O'sullivan, CNN, "Hundreds of millions of phone numbers once tied to Facebook accounts posted online," 4 Sep. 2019 On most occasions, Wilkerson pretended to be the victims and called their banks, seeking to obtain control of their accounts and obtain new or duplicate credit cards in their names, according to the documents. Andrew Clark, Indianapolis Star, "Fishers woman fraudulently purchased beauty products, plane tickets, court documents say," 14 Aug. 2019 Adding new investment capabilities would give Legg Mason’s sales teams more to sell and reducing duplicate functions would lower expenses. Justin Baer, WSJ, "There Is No Easy Fix for Legg Mason and Other Money Managers," 17 June 2019 Much of that would come from eliminating duplicate jobs or spending in accounting, technology, marketing, human resources and the like, according to New Media. Washington Post, "Is bigger better? Gannett merger will test whether local news can be saved," 9 Aug. 2019 Jose Lopez Rosado, 51, allegedly applied for a duplicate Massachusetts driver’s license in February 2016 using someone else’s Social Security number. Sofia Saric, BostonGlobe.com, "Worcester man pleads guilty to identity theft almost 25 years after escaping from Puerto Rico prison," 5 Aug. 2019 Recent Examples on the Web: Verb That, too, is a military tradition, one that’s duplicated at U.S. military installations across Texas and the globe. Sig Christenson, ExpressNews.com, "On Thanksgiving, San Antonio troops find a home far from home," 28 Nov. 2019 Like the parades and the potluck, it can’t be duplicated. Paul Daugherty, Cincinnati.com, "Doc's Morning Line: Once the charm of minor league baseball is gone, it's not coming back.," 19 Nov. 2019 The staff says his support from working-class voters, union members, blacks and Latinos, along with significant chunks of independents and moderates, can’t be duplicated by any other candidate. Kathleen Ronayne And Michael R. Blood, SFChronicle.com, "Biden’s, Warren’s absence at California gather irks top Dems," 16 Nov. 2019 As mentioned above, several forms of ataxia are caused by an expansion of the same amino acid that's duplicated in the Huntington's disease gene, and so these may undergo the same sort of interactions with these two chemicals. John Timmer, Ars Technica, "Scientists find a way to target the protein behind Huntington’s disease," 1 Nov. 2019 Going to your local Christmas tree farm to pick out the perfect evergreen is a fun holiday activity for most people, and the scent and look of a real Christmas tree simply can’t be duplicated. Arricca Elin Sansone, Country Living, "How to Keep a Christmas Tree Alive All December Long," 21 Oct. 2019 By one industry estimate, there are more than 300 vape shops in the county, places where aficionados like to hang out and taste different brands — something that can’t be duplicated with the click of a mouse. Laurence Darmiento, chicagotribune.com, "The LA vape shop scene was booming. Those days are over," 10 Oct. 2019 By one industry estimate, there are more than 300 vape shops in the county, places where aficionados like to hang out and taste different brands — something that can’t be duplicated with the click of a mouse. Laurence Darmientostaff Writer, Los Angeles Times, "The L.A. vape shop scene was booming. Those days are over," 6 Oct. 2019 That relentless team-wide defense is gone, impossible to duplicate in the absence of Thompson, Andre Iguodala and Kevin Durant. Bruce Jenkins, SFChronicle.com, "Warriors wisely put Klay Thompson out of mind, in a jarring dose of reality," 22 Oct. 2019 Recent Examples on the Web: Noun One issue is how FAA managers agreed during certification of the 737 Max to give Boeing a pass on complying with a safety rule that requires more separation between duplicate sets of cables that control the jet's rudder. Author: Dominic Gates, Anchorage Daily News, "New questions raised on safety of both Boeing 737 Max and 787 Dreamliner," 8 Nov. 2019 But critics say the colorful ensemble appears to include many photos of the same fish, and in some cases doctored duplicates of the same photo—which would undermine the authors' defense. Martin Enserink, Science | AAAS, "Can you spot the duplicates? Critics say these photos of lionfish point to fraud," 25 Sep. 2019 These duplicates had been set aside by court officers in case motorists appealed their tickets, and were stored in a different location, Procopio said. BostonGlobe.com, "Another attorney representing a trooper charged in the scandal expressed surprise at the State Police unearthing old documents.," 11 Sep. 2019 States actively police what vanity plates get approved; Utah alone has rejected around 1,000 plates over the years, and that’s not even counting those turned down for being duplicates of existing plates. Brian Barrett, WIRED, "A Brief History of Vanity License Plates Gone Wrong," 18 Aug. 2019 The Hollywood Studios land is a near duplicate of the Galaxy’s Edge that opened in California at Disneyland in May. Both coasts will be getting an additional ride for the land called Rise of the Resistance. Dewayne Bevil, orlandosentinel.com, "Disney World passholders begin to explore Star Wars land," 17 Aug. 2019 Most were duplicates, and, again, there were no charges, but Comey’s decision to notify Congress revived the issue at a moment that Clinton has said was devastating to her campaign. BostonGlobe.com, "A multiyear State Department probe of e-mails that were sent to former secretary of state Hillary Clinton’s private computer server concluded there was no systemic or deliberate mishandling of classified information by department employees, according to a report submitted to Congress this month.," 19 Oct. 2019 The Colorado Attorney General’s office reported that 139 tips were duplicates, and 2.5% of tips were intentionally false. Meg Wingerter, The Denver Post, "Surge in reports to Colorado’s Safe2Tell hotline sets another record as students return to school," 10 Sep. 2019 Industry veterans said those duplicates are designed to dupe consumers into thinking new videos are available. Alex Horton, Washington Post, "Mia Khalifa is among the world’s most-watched women. Yet the porn industry is keeping the profits.," 16 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'duplicate.' 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 duplicate

Adjective

15th century, in the meaning defined at sense 1

Verb

15th century, in the meaning defined at transitive sense 1

Noun

1532, in the meaning defined at sense 1a

History and Etymology for duplicate

Adjective

Middle English, from Latin duplicatus, past participle of duplicare to double, from duplic-, duplex

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Time Traveler for duplicate

Time Traveler

The first known use of duplicate was in the 15th century

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Statistics for duplicate

Last Updated

21 Nov 2019

Cite this Entry

“Duplicate.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/duplicating. Accessed 10 December 2019.

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More Definitions for duplicate

duplicate

adjective
How to pronounce duplicate (audio)

English Language Learners Definition of duplicate

 (Entry 1 of 3)

: exactly the same as something else : made as an exact copy of something else

duplicate

verb
How to pronounce duplicate (audio)

English Language Learners Definition of duplicate (Entry 2 of 3)

: to make an exact copy of (something)
: to produce (something) in another form

duplicate

noun
How to pronounce duplicate (audio)

English Language Learners Definition of duplicate (Entry 3 of 3)

: something that is exactly the same as something else : an exact copy of something else

duplicate

adjective
du·​pli·​cate | \ ˈdü-pli-kət How to pronounce duplicate (audio) , ˈdyü- \

Kids Definition of duplicate

 (Entry 1 of 3)

: exactly the same as another duplicate copies

duplicate

verb
du·​pli·​cate | \ ˈdü-pli-ˌkāt How to pronounce duplicate (audio) , ˈdyü- \
duplicated; duplicating

Kids Definition of duplicate (Entry 2 of 3)

: to make an exact copy of

duplicate

noun
du·​pli·​cate | \ ˈdü-pli-kət How to pronounce duplicate (audio) , ˈdyü- \

Kids Definition of duplicate (Entry 3 of 3)

: a thing that is exactly like another
du·​pli·​cate | \ ˈd(y)ü-pli-ˌkāt How to pronounce duplicate (audio) \
duplicated; duplicating

Medical Definition of duplicate

: to become duplicate : replicate DNA in chromosomes duplicates

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duplicate

transitive verb
du·​pli·​cate | \ ˈdü-pli-ˌkāt, ˈdyü- How to pronounce duplicate (audio) \
duplicated; duplicating

Legal Definition of duplicate

 (Entry 1 of 2)

: to make a duplicate of

Other Words from duplicate

duplicative \ -​ˌkā-​tiv How to pronounce duplicative (audio) \ adjective

duplicate

noun
du·​pli·​cate | \ ˈdü-pli-kət, ˈdyü- How to pronounce duplicate (audio) \

Legal Definition of duplicate (Entry 2 of 2)

: either of two things exactly alike and often produced at the same time specifically : a counterpart identified in the Federal Rules of Evidence Rule 1001 as produced by the same impression as the original or from the same matrix or by means of photography, mechanical, or electronic rerecording, chemical reproduction, or another technique which accurately reproduces the original — compare original

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Comments on duplicate

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