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duplicate

1 of 3

adjective

du·​pli·​cate ˈdü-pli-kət How to pronounce duplicate (audio)
 also  ˈdyü-
1
: consisting of or existing in two corresponding or identical parts or examples
duplicate invoices
2
: being the same as another
duplicate copies

duplicate

2 of 3

verb

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

transitive verb

1
: to make double or twofold
2
a
: 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

intransitive verb

: to become duplicated
also : repeat
duplicative
ˈdü-pli-ˌkā-tiv How to pronounce duplicate (audio)
 also  ˈdyü-
adjective

duplicate

3 of 3

noun

du·​pli·​cate ˈdü-pli-kət How to pronounce duplicate (audio)
 also  ˈdyü-
1
a
: 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
Choose the Right Synonym for duplicate

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

Example Sentences

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 See More
Recent Examples on the Web
Adjective
Some observers expressed concern that this might lead to a surge in duplicate signatures, a fear that was borne out Monday. James Queally, Los Angeles Times, 15 Aug. 2022 Pitt’s duplicate wardrobe included 20 of the T-shirts, 14 pairs of the pants and 12 copies of the workwear jacket. Ingrid Schmidt, The Hollywood Reporter, 12 Aug. 2022 The original trim, brakes, and a duplicate set of wheels come included. Clifford Atiyeh, Car and Driver, 29 July 2022 Orders from some residents of multi-unit dwellings were erroneously rejected by a feature intended to prevent duplicate orders to the same household. Zachary Snowdon Smith, Forbes, 18 Jan. 2022 As the legislation stands now, SB 7 is a duplicate version of HB 6 following a House Elections Committee vote to gut the Senate legislation and rewrite it, but the Senate can still revive its priorities. Dallas News, 4 May 2021 The Drug Enforcement Administration has also reportedly launched an investigation into the licensing of the company’s providers and its handling of duplicate patient accounts, according to Business Insider. Mohana Ravindranath, STAT, 9 May 2022 Similarly, Meta said in a filing that in the fourth quarter of 2021 around 11% of monthly active users for its Facebook app could be duplicate accounts. Laura Forman, WSJ, 2 May 2022 The report said the cuts will be in nonmanufacturing jobs and include areas with duplicate functions. Jamie L. Lareau, Detroit Free Press, 11 July 2022
Verb
The movie couldn’t duplicate the giddy liftoff of the original Broadway company. Los Angeles Times, 12 Aug. 2022 To keep track of it all, office staff must duplicate data entry across multiple systems, using spreadsheets to reconcile and consolidate that data for reporting and analysis. Robert Mallernee, Forbes, 11 July 2022 Fallston sees also poised to duplicate results from a year ago. Randy Mcroberts, Baltimore Sun, 1 Sep. 2022 The mission is called Artemis 1, because Artemis is the twin sister of Apollo – the name of the missions 50 years ago that first took men to the moon and that no one has tried to duplicate until now, AL.com’s Lee Roop reports. al, 28 Aug. 2022 Graeber supplied the framework for further investigation, but anyone trying to use it will have to duplicate his search for a permissive driver and an abusable payload. Neil J. Rubenking, PCMAG, 12 Aug. 2022 Is love not also a manifestation of life’s inherent drive to duplicate? Sebastian Smee, Washington Post, 28 July 2022 Rogers, who produced a strong finish to place second in a preliminary heat on Thursday, tried to duplicate the effort in the semifinal, but she was edged by Jamaica’s Natoya Goule, who placed second in a time of 1:58.73. oregonlive, 22 July 2022 The following northeast wedding locations offer a rustic charm that is hard to duplicate at more formal venues. Roger Sands, Forbes, 19 July 2022
Noun
If there is anybody that could be a duplicate of Tyler Allgeier, this is the guy. Kevin Reynolds, The Salt Lake Tribune, 31 Aug. 2022 Grönberg Moldin says the initial analysis came back with a total of 14 rogue duplicate sites, with similar creative and layout, all created around Oct. 25. Geoff Nudelman, Outside Online, 15 Nov. 2021 For example, Hugo Boss released a TikTok challenge in which participants could win NFTs, and five distinct Boss x Russell Athletic NFT jacks with a physical duplicate might be obtained. Mark Minevich, Forbes, 17 June 2022 Unlike other pro sports trophies like the NFL's Lombardi and the NBA's Larry O'Brien, which are made in duplicate to go to the next champ each year, the Stanley Cup is the same trophy that has gone to the top NHL team since 1892. Natasha Dye, PEOPLE.com, 27 June 2022 Is there any way to pay someone to make a duplicate? Pat Myers, Washington Post, 26 May 2022 In her showroom, in the heart of New York’s garment district, Sui stands with a duplicate of Naomi’s dress explaining her inspirations and her process. Taylor Lashley, Vogue, 9 May 2022 Standard human cells contain two sets of DNA, a maternal copy and a paternal copy, but this team used DNA from a group of cells called a complete hydatidiform mole, which contains a duplicate of the paternal set of DNA. Tasnim Ahmed, CNN, 31 Mar. 2022 But according to the lawsuit, Heritage Auctions contacted Jostens on June 10, 2021, and was informed that their ring was a duplicate that had been stolen. Paul Sullivan, chicagotribune.com, 10 Apr. 2022 See More

Word History

Etymology

Adjective

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

First Known Use

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

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

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