duplicate

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.

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

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

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

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

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

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

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

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.

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.

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.