duplicate

/ˈduːplɪkət/
noun
  1. An exact copy of something.
    • The artist painted a duplicate of the original portrait.
    • I lost my passport, so I requested a duplicate from the embassy.
    • Please make a duplicate of the key for our guest.
Synonyms
Antonyms
verb
  1. To make an exact copy of something.
    • Scientists tried to duplicate the results of the experiment.
    • Can you duplicate this report for the meeting?
    • The machine can duplicate a key in under a minute.
  2. To repeat or do something again in the same way.
    • We cannot duplicate that level of service without more staff.
    • She duplicated her earlier performance with another perfect score.
    • The team hopes to duplicate last year's success.
Synonyms
adjective
  1. Being an exact copy of something else.
    • The duplicate files were deleted to save space.
    • She found a duplicate copy of the book at the library.
    • He kept a duplicate set of keys in his desk.
Antonyms