DUPLICATE Synonyms: 158 Similar and Opposite Words

Q: How does the noun 'duplicate' differ from other similar words?

Some common synonyms of duplicate are copy , facsimile , replica , and reproduction . While all these words mean "a thing made to closely resemble another," duplicate implies a double or counterpart exactly corresponding to another thing. // a duplicate of a house key

Q: When is it sensible to use 'copy' instead of 'duplicate'?

The meanings of copy and duplicate largely overlap; however, copy applies especially to one of a number of things reproduced mechanically. // printed 1000 copies of the lithograph

Q: When can 'facsimile' be used instead of 'duplicate'?

Although the words facsimile and duplicate have much in common, facsimile suggests a close reproduction often of graphic matter that may differ in scale. // a facsimile of a rare book

Q: Where would 'replica' be a reasonable alternative to 'duplicate'?

While the synonyms replica and duplicate are close in meaning, replica implies the exact reproduction of a particular item in all details, but not always in the same scale. // a replica of the Mayflower // miniature replicas of classic cars

Q: When might 'reproduction' be a better fit than 'duplicate'?

While in some cases nearly identical to duplicate , reproduction implies an exact or close imitation of an existing thing. // reproductions from the museum's furniture collection

Q: How does the noun 'duplicate' differ from other similar words?

Some common synonyms of duplicate are copy , facsimile , replica , and reproduction . While all these words mean "a thing made to closely resemble another," duplicate implies a double or counterpart exactly corresponding to another thing. // a duplicate of a house key

Q: When is it sensible to use 'copy' instead of 'duplicate'?

The meanings of copy and duplicate largely overlap; however, copy applies especially to one of a number of things reproduced mechanically. // printed 1000 copies of the lithograph

Q: When can 'facsimile' be used instead of 'duplicate'?

Although the words facsimile and duplicate have much in common, facsimile suggests a close reproduction often of graphic matter that may differ in scale. // a facsimile of a rare book

Q: Where would 'replica' be a reasonable alternative to 'duplicate'?

While the synonyms replica and duplicate are close in meaning, replica implies the exact reproduction of a particular item in all details, but not always in the same scale. // a replica of the Mayflower // miniature replicas of classic cars

Q: When might 'reproduction' be a better fit than 'duplicate'?

While in some cases nearly identical to duplicate , reproduction implies an exact or close imitation of an existing thing. // reproductions from the museum's furniture collection

duplicate 1 of 3

adjective

ˈdü-pli-kət

Definition of duplicate next

as in identical

resembling another in every respect duplicate copies of the portrait that were painted by the artist himself

Synonyms & Similar Words

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Antonyms & Near Antonyms

duplicate

2 of 3

noun

ˈdü-pli-kət

as in image

something or someone that strongly resembles another doll carriages that are duplicates of baby carriages

Synonyms & Similar Words

Antonyms & Near Antonyms

as in copy

something that is made to look exactly like something else a duplicate of a house key

Synonyms & Similar Words

Antonyms & Near Antonyms

duplicate

3 of 3

verb

ˈdü-pli-ˌkāt

as in to copy

to make an exact likeness of art students trying to duplicate paintings in the museum's collection as part of their training

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to replicate

to make or do again we were unable to duplicate the experiment in our own lab, so we're suspicious

Synonyms & Similar Words

as in to double

to make twice as great or as many the recipe can be easily duplicated in order to feed a large family

Synonyms & Similar Words

Synonym Chooser

How does the noun duplicate differ from other similar words?

Some common synonyms of duplicate are copy, facsimile, replica, and reproduction. While all these words mean "a thing made to closely resemble another," duplicate implies a double or counterpart exactly corresponding to another thing.

a duplicate of a house key

When is it sensible to use copy instead of duplicate?

The meanings of copy and duplicate largely overlap; however, copy applies especially to one of a number of things reproduced mechanically.

printed 1000 copies of the lithograph

When can facsimile be used instead of duplicate?

Although the words facsimile and duplicate have much in common, facsimile suggests a close reproduction often of graphic matter that may differ in scale.

a facsimile of a rare book

Where would replica be a reasonable alternative to duplicate?

While the synonyms replica and duplicate are close in meaning, replica implies the exact reproduction of a particular item in all details, but not always in the same scale.

a replica of the Mayflower

miniature replicas of classic cars

When might reproduction be a better fit than duplicate?

While in some cases nearly identical to duplicate, reproduction implies an exact or close imitation of an existing thing.

reproductions from the museum's furniture collection

How does the noun duplicate differ from other similar words?

a duplicate of a house key

When is it sensible to use copy instead of duplicate?

The meanings of copy and duplicate largely overlap; however, copy applies especially to one of a number of things reproduced mechanically.

printed 1000 copies of the lithograph

When can facsimile be used instead of duplicate?

Although the words facsimile and duplicate have much in common, facsimile suggests a close reproduction often of graphic matter that may differ in scale.

a facsimile of a rare book

Where would replica be a reasonable alternative to duplicate?

While the synonyms replica and duplicate are close in meaning, replica implies the exact reproduction of a particular item in all details, but not always in the same scale.

a replica of the Mayflower

miniature replicas of classic cars

When might reproduction be a better fit than duplicate?

While in some cases nearly identical to duplicate, reproduction implies an exact or close imitation of an existing thing.

reproductions from the museum's furniture collection

How does the noun duplicate differ from other similar words?

a duplicate of a house key

When is it sensible to use copy instead of duplicate?

The meanings of copy and duplicate largely overlap; however, copy applies especially to one of a number of things reproduced mechanically.

printed 1000 copies of the lithograph

When can facsimile be used instead of duplicate?

Although the words facsimile and duplicate have much in common, facsimile suggests a close reproduction often of graphic matter that may differ in scale.

a facsimile of a rare book

Where would replica be a reasonable alternative to duplicate?

While the synonyms replica and duplicate are close in meaning, replica implies the exact reproduction of a particular item in all details, but not always in the same scale.

a replica of the Mayflower

miniature replicas of classic cars

When might reproduction be a better fit than duplicate?

While in some cases nearly identical to duplicate, reproduction implies an exact or close imitation of an existing thing.

reproductions from the museum's furniture collection

Example Sentences

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.

Recent Examples of duplicate

Adjective

Modern data tools allow states to identify duplicate claims, incompatible eligibility overlaps, or anomalous billing patterns before losses grow. —

Timothy M. Herbst, Hartford Courant, 2 Mar. 2026 Industry guidance from Innovative Toll Solutions says common errors include misread license plates, toll tags that aren’t properly registered, duplicate transactions, or system glitches. —

Tiffani Jackson, Fort Worth Star-Telegram, 26 Feb. 2026

Noun

That distinction — Belle as her own cat, not a duplicate — runs through everything Anderson has shared about this experience. —

Ryan Brennan march 4, Miami Herald, 4 Mar. 2026 Many files appear to be duplicates, however. —

Kinsey Crowley, USA Today, 20 Feb. 2026

Verb

From there, a user named Vega turned it into a TikTok dance video that exploded — people duplicating themselves on screen, one version performing, the other dancing behind them. —

Hanna Wickes, Charlotte Observer, 26 Mar. 2026 Meanwhile, artificial intelligence companies are threatening to take their most advanced data centers elsewhere if the state doesn’t weaken certain privacy laws that Aurora has now duplicated through its new regulations. —

R. Christian Smith, Chicago Tribune, 25 Mar. 2026 See All Example Sentences for duplicate

Recent Examples of Synonyms for duplicate

Adjective

While virtually identical in size, the Aluminum carry-on offers 38 liters of capacity compared to the Hybrid that can hold 41 liters.

— Charley Ward, Condé Nast Traveler, 5 Apr. 2026
In the eighth inning, Mariners first baseman Josh Naylor hit an almost identical drive.

— Jeff Fletcher, Oc Register, 5 Apr. 2026

Definition of identical

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duplexes

duplicate

duplicated

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Style

“Duplicate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/duplicate. Accessed 5 Apr. 2026.

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Synonyms of duplicate

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