1
as in image
something or someone that strongly resembles another
in adulthood he became sort of a living duplication of his late father
Synonyms & Similar Words
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Antonyms & Near Antonyms
2
as in copy
something that is made to look exactly like something else
a duplication of an ancient Chinese vase for the mass market
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in repetition
the act of saying or doing over again
let's avoid duplication of effort on this group project if we can
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Example Sentences
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Recent Examples of duplication
The gene duplication event that doubled the photosystems, allowing one copy to evolve a novel process, happened so long ago that any evidence of that first photosystem has been buried by extinction and billions of years of change.
—
Quanta Magazine,
10 June 2026
This has saved us a lot of duplication of services over the years, which means saving a lot of money and repeat tests, never mind pain and suffering.
—
Inga,
San Diego Union-Tribune,
25 May 2026
There is always room in government to cut waste, reduce duplication, and operate more effectively.
—
Baltimore Sun Staff,
Baltimore Sun,
20 May 2026
This phenomenon, called polyploidy, happens when an organism has more than two sets of chromosomes stuffed into every cell - in other words, a whole genome duplication.
—
Ari Daniel,
NPR,
19 May 2026
See All Example Sentences for duplication
Quanta Magazine,
10 June 2026
This has saved us a lot of duplication of services over the years, which means saving a lot of money and repeat tests, never mind pain and suffering.
—
Inga,
San Diego Union-Tribune,
25 May 2026
There is always room in government to cut waste, reduce duplication, and operate more effectively.
—
Baltimore Sun Staff,
Baltimore Sun,
20 May 2026
This phenomenon, called polyploidy, happens when an organism has more than two sets of chromosomes stuffed into every cell - in other words, a whole genome duplication.
—
Ari Daniel,
NPR,
19 May 2026
See All Example Sentences for duplication
Recent Examples of Synonyms for duplication
Noun
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Cops released an image of him aboard the bus wearing a white hoodie and are asking the public’s help tracking him down.
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Some satellite images even show evidence of fire damage, consistent with reports of firefighters supporting the emergency response.
Noun
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The early copy remained tucked away in Britain’s National Archives until a volunteer cataloging records from the American Revolutionary War came across it in May among the papers of Royal Navy captains.
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Julia Giarmoleo, an EPA spokesperson, said the monitors did not detect elevated metals, but would not provide a copy of the data without a federal records request.
Noun
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For each exercise, aim for two to three sets of 8-12 repetitions, two to three times per week on non-consecutive days.
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If the change introduces a new logic or compliance requirement, expect a longer runway, repetition and coaching in the flow of work.
Noun
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An Apple Valley woman who was pregnant with twins died in a crash Saturday.
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Then there’s the deeper penetration of digital twins (virtual factory replicas).
Noun
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Laser Projection Benefits Laser projectors offer significantly better image quality than units based on Xenon lamps, offering a higher light output, better color reproduction, greater contrast and an overall more uniform image.
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Pollination is crucial to plant reproduction and the wider ecosystem that relies on plants as a food source.
Noun
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This would avoid a repeat of the Champions League final in May, which saw Paris Saint-Germain win both coin tosses to decide the end they were taken from and their order.
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But the modern operator also needs better data, better attribution, and better tools to see which guests drive revenue, influence, repeat visits, and reputation.
Noun
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One-click cleanup tools automatically identify unnecessary duplicates while keeping important files protected.
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The point is to try to fill up the book, or at least the page, with your favorite team, and then to trade any duplicates or unwanteds with your friends.
Noun
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The left is reserved for Mediheal, the Korean brand behind the viral Madecassoside Blemish toner pads, with a larger-than-life replica of the cyan box sitting next to the window.
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Patrons can enjoy a piece of birthday cake and sign a giant replica of the Declaration of Independence, according to the Arkansas Heritage webpage for the event.
Cite this Entry
“Duplication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/duplication. Accessed 5 Jul. 2026.
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