Adjective duplicate has 2 senses
  1. duplicate - identically copied from an original; "a duplicate key"
    Antonym:
    different (indirect, via same)
  2. duplicate, matching, twin, twinned - being two identical
    Antonym: mismatched (indirect, via matched)
,Noun duplicate has 2 senses
  1. extra, duplicate - something additional of the same kind; "he always carried extras in case of an emergency"
    --1 is a kind of artifact, artefact
    Derived form: verb duplicate3
  2. duplicate, duplication - a copy that corresponds to an original exactly; "he made a duplicate for the files"
    --2 is a kind of copy
    --2 has particulars:
     backup, computer backup; counterpart, similitude, twin; match, mate
    Derived form: verb duplicate3
,Verb duplicate has 4 senses
  1. duplicate, reduplicate, double, repeat, replicate - make or do or perform again; "He could never replicate his brilliant performance of the magic trick"
    --1 is one way to reproduce
    Sample sentence:
    Somebody ----s something
  2. twin, duplicate, parallel - duplicate or match; "The polished surface twinned his face and chest in reverse"
    --2 is one way to match, fit, correspond, check, jibe, gibe, tally, agree
    Sample sentence:
    Something ----s something
  3. duplicate - make a duplicate or duplicates of; "Could you please duplicate this letter for me?"
    --3 is one way to
    reproduce
    Derived forms: noun duplicate2, noun duplicate1, noun duplication1, noun duplication2, noun duplicator1
    Sample sentences:
    Somebody ----s something
    Something ----s something
  4. double, duplicate - increase twofold; "The population doubled within 50 years"
    --4 is one way to multiply, manifold
    Sample sentences:
    Something ----s
    Somebody ----s something
    Something ----s something
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