duplicate

adjective
UK: /ˈdjuːplɪkeɪt/
US: /ˈduːplɪkeɪt/

  1. Exactly like something else.

    1. This is a duplicate key for the front door.
    2. She noticed a duplicate entry in the database, which needed immediate review.

  2. Being the same as another but done or made again.

    1. I made a duplicate copy of the file.
    2. This is a duplicate document, so the original must be located quickly.

Synonyms

copy reproduction replica clone reproduce replicate
duplicate verb

  1. To make an exact copy of something.

    1. Can you duplicate this document, please?
    2. The program can duplicate files, creating backups for safekeeping.

  2. To repeat something that has already been done, often unnecessarily.

    1. Don't duplicate efforts already done by another team.
    2. It’s important to coordinate so that we don't duplicate research findings.
duplicate noun

  1. A copy of something else.

    1. This is a duplicate of the original.
    2. I need a duplicate of the receipt for expense reporting purposes.

Frequently Asked Questions

The word "duplicate" in English means: Exactly like something else., Being the same as another but done or made again..

The phonetic transcription of "duplicate" is /ˈdjuːplɪkeɪt/ in British English and /ˈduːplɪkeɪt/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "duplicate": copy, reproduction, replica, clone, reproduce, replicate.

Example usage of "duplicate": "This is a duplicate key for the front door.". More examples on the page.