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 The Louisiana Department of Health releases a daily case count on Twitter based on the deletion of duplicate cases. Staff Report, NOLA.com, "Louisiana coronavirus: 526 new cases, 5 more deaths reported Thursday; see latest data," 8 Oct. 2020 In Virginia, around 1,400 absentee voters received duplicate ballots as election workers rushed to fulfill requests. Rachel Glickhouse, ProPublica, "Electionland 2020: PA Voting, NYC Absentee Ballots, Legal Battles and More," 2 Oct. 2020 Box said the state is still working with schools to get data submitted and remove duplicate records. Arika Herron, The Indianapolis Star, "Nearly 2,400 cases of COVID-19 reported in schools, including 250 new student cases," 30 Sep. 2020 Around 1,000 voters in Fairfax County – and at least 1,400 voters overall in Virginia – received duplicate ballots in recent weeks because of a printing issue, the Washington Post reported. Joey Garrison, USA TODAY, "'Mailmen selling ballots. Dumped in rivers. Found in creeks': Trump makes unfounded claims about mail-in voting," 30 Sep. 2020 Even so, some Marylanders may have received duplicate alerts about the case, officials say. Christine Condon, baltimoresun.com, "Did you get a repeat of yesterday’s Amber Alert? Here’s why.," 28 Sep. 2020 In Virginia, 1,000 duplicate ballots were sent to voters. Emma Colton, Washington Examiner, "Dead people and illegal immigrants receive postcards from Colorado secretary of state's office urging them to vote," 27 Sep. 2020 At least 1,400 Virginia voters have received duplicate absentee ballots in recent weeks because of clerical errors, but election officials said Friday only one ballot per voter would be counted. Washington Post, "At least 1,400 Virginia voters get duplicate absentee ballots amid rush to meet high demand, officials say," 25 Sep. 2020 Mergers are a way to combine balance sheets while taking out a large chunk of costs, including by closing duplicate branches... Patricia Kowsmann And Margot Patrick, WSJ, "European Banks Consider Mergers for Survival," 20 Sep. 2020 Recent Examples on the Web: Verb In another method used by the Centers for Disease Control and Prevention and some other states, duplicate tests of the same people are included. Sophie Carson, Milwaukee Journal Sentinel, "Wisconsin's coronavirus death toll reaches 1,600; state reports first numbers after weekend system outage," 19 Oct. 2020 Among the other services offered on the website, including vehicle registration renewals and duplicate ID requests, voter services accounted for just under half of the transactions completed in September, according to Pacey. Emily Wilder, The Arizona Republic, "MVD delays and backlogs complicate online voter registration for some Arizonans," 2 Oct. 2020 With the tap of a button, a customer can automatically duplicate the trades of dozens of other customers that eToro has designated Popular Investors. Edward Robinson, Bloomberg.com, "A 32-Year-Old Trader Is Driving 21,000 Amateur Stock Investors," 2 Oct. 2020 He was given a 10-year, $75 million contract to build a program that would match Alabama in the SEC and duplicate his national title at Florida State. Chuck Carlton, Dallas News, "For Jimbo Fisher, Texas A&M, Alabama will serve as a measuring stick for program’s potential," 2 Oct. 2020 Many digital keyboards duplicate the tone and feel of traditional pianos through the use of weighted keys and touch-sensitive response. Michael Pollick, chicagotribune.com, "The best digital keyboard of 2020," 26 Sep. 2020 Fairfax County Registrar Gary Scott said that some mailing labels on ballots were damaged and that the reprinting of the labels led to duplicate ballots being sent to voters. Carly Ortiz-lytle, Washington Examiner, "Nearly 1,000 duplicate ballots sent to voters in Virginia," 25 Sep. 2020 There’s no reason the Olympics can’t duplicate that, particularly given the rapid advancements in testing and the lab capabilities that already exist at a Games because of doping. Nancy Armour, USA TODAY, "Opinion: Other sports have figured out ways to work, and Tokyo Games will be no different," 9 Sep. 2020 And data released publicly in July was riddled with errors, including inaccurate numbers of jobs retained, incorrect loan amounts, loans located in the wrong congressional district and duplicate loans. Mark Niquette, Bloomberg.com, "PPP Loans Worth Billions at Risk for Fraud, Oversight Panel Says," 1 Sep. 2020 Recent Examples on the Web: Noun The City of Berea began its program to certify unpaid water and sewer bills to the county tax duplicate in 1988. Linda G. Kramer, cleveland, "Berea landowners’ delinquent water, sewer bills added to property taxes: Community Voices," 9 Oct. 2020 One duplicate reported death was subtracted from Sunday's count. Alison Steinbach, The Arizona Republic, "Arizona reports lower new COVID-19 numbers as hospital trends continue weeks of improvements," 31 Aug. 2020 The Arkansas Department of Health revised its official coronavirus tracking data over the weekend to exclude out-of-state and duplicate cases that had previously been counted in the state's caseload, Romero, the health secretary, said. John Moritz, Arkansas Online, "Birx notes harm of virus fatigue," 18 Aug. 2020 Police released, at the evening news conference, three videos of the shooting, one an apparent duplicate in slow motion. Darcie Moran, Detroit Free Press, "What we know about the Detroit police shooting of Hakim Littleton, protests," 12 July 2020 When organisms grow, their cells divide and in almost all cases each cell receives a duplicate of the DNA molecule. Scientific American, "Colorful Double Helix," 9 Aug. 2018 If the saw snaps a piece, for example, cutting a duplicate may not be possible. John D. Tulenko, BostonGlobe.com, "Soaring sales for $4,500 puzzles? In a lockdown, it all fits," 20 June 2020 On Saturday, and on a press call Friday, the department sought to explain that many of those claims are duplicates and many others are either ineligible for benefits, haven’t filed for payments or are in the process of being paid. Mike Rogoway | The Oregonian/oregonlive, oregonlive, "Oregon’s embattled employment department defends itself to skeptical legislators," 30 May 2020 No team can have duplicates of the same character in a match. Sam Machkovech, Ars Technica, "Valorant closed beta: The tactical hero shooter I never knew I wanted," 8 Apr. 2020

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

11 Oct 2020

Cite this Entry

“Duplicate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/duplicate. Accessed 25 Oct. 2020.

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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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