Synonyms of duplication

duplication

noun

ˌdü-pli-ˈkā-shən 

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

• image
• twin
• duplicate
• replica
• clone
• picture
• portrait
• counterpart
• double
• equivalent
• carbon
• mirror image
• alter ego
• facsimile
• fetch
• carbon copy
• likeness
• spit
• spitting image
• portrayal
• ringer
• match
• doppelgänger
• look-alike
• companion
• effigy
• parallel
• fellow
• analogue
• mate
• equal

Antonyms & Near Antonyms

• reverse
• opposite
• antithesis
• converse

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

• copy
• reproduction
• replica
• duplicate
• imitation
• replication
• clone
• version
• carbon
• reduplication
• facsimile
• dupe
• carbon copy
• mock
• reconstruction
• dummy
• simulation
• forgery
• counterfeit
• rubber stamp
• print
• miniature
• fake
• rip-off
• impression
• image
• sham
• semblance
• knockoff
• approximation
• reincarnation
• re-creation
• spare
• extra
• phony
• likeness
• imprint
• mock-up
• shadow
• reserve

Antonyms & Near Antonyms

• prototype
• original
• archetype

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

Synonyms & Similar Words

• repetition
• repeat
• replication
• replay
• iteration
• renewal
• reduplication
• reiteration
• redo
• reprise
• rehearsal
• recitation
• rerun
• rebroadcast

Example Sentences

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