duplicate

15 synonyms and 2 antonyms for duplicate, grouped by meaning and by how common each one is.

Adj — Exactly the same as something else, especially because it was copied from it.

Synonyms

Everyday swaps

Common words most readers know — safe in any writing.

twin double parallel repeat extra

Less common

Still standard English, but they carry more weight.

replicate clone reproduction matching

Rare, literary or technical

Precise, but they will stand out — check the sense before using one.

carbon copy dupe facsimilize twinned reduplicate duplication

Synonyms by Meaning

1. adj

Exactly the same as something else, especially because it was copied from it.

“He kept a duplicate key hidden under the mat.”

replicate clone carbon copy twin dupe facsimilize reproduction twinned matching

Opposites

dedupe deduplicate

2. verb

To make an exact copy of something.

“Please duplicate this form and send one copy to head office.”

double parallel repeat replicate twin reduplicate

3. noun

An exact copy of something else.

“This ticket is a duplicate — the original is on file.”

duplication extra

How to use duplicate

The word patterns that sound natural to a native speaker.

duplicate key duplicate a document exact duplicate

Etymology

From Latin duplicatus, "doubled," the past participle of duplicare.

Full origin of duplicate →

Frequently asked questions

What does “duplicate” mean?

The word “duplicate” means exactly the same as something else, especially because it was copied from it. In plain terms, to copy something exactly, or an exact copy itself.

How do you pronounce “duplicate”?

“Duplicate” is pronounced JWPLIH-kuht (/ˈd(j)uː.plɪ.kət/ in IPA).

How do you use “duplicate” in a sentence?

Here is “duplicate” used in a sentence: “He kept a duplicate key hidden under the mat.”

What is another word for “duplicate”?

Words with a similar meaning to “duplicate” include dupe, facsimilize and reproduction.

What is the opposite of “duplicate”?

The opposite of “duplicate” — its antonyms — are dedupe and deduplicate.

What part of speech is “duplicate”?

Depending on how it is used, “duplicate” can be an adjective, a verb and a noun.

Where does the word “duplicate” come from?

The word “duplicate” comes from Latin. From Latin duplicatus, "doubled," the past participle of duplicare.

Is “duplicate” a common word?

“Duplicate” is an uncommon word in modern English, usually learned at around the B2 level.

What is the difference between duplicate and copy?

Duplicate specifically implies an exact reproduction of something, often made deliberately and precisely, while copy is a more general term that can refer to any reproduction, exact or approximate. In practice, the two are often used interchangeably, but duplicate carries a stronger sense of precision.

Can duplicate be used as an adjective, verb, and noun?

Yes, duplicate functions as an adjective describing something exactly the same as something else, as a verb meaning to make an exact copy, and as a noun referring to the copy itself.

What is the difference between duplicate and counterfeit?

A duplicate is simply an exact copy of something, made for legitimate purposes such as backup or record-keeping, while a counterfeit is a copy made specifically to deceive people into believing it is the genuine original.

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double extra repeat parallel twin matching reproduction clone replicate duplication facsimilize twinned

Nearby words

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