duplicate meaning and definition

DUPLICATE noun

Definition of duplicate (noun)

1. something additional of the same kind
   • "he always carried extras in case of an emergency"
   • synonyms: extra
2. a copy that corresponds to an original exactly
   • "he made a duplicate for the files"
   • synonyms: duplication

DUPLICATE verb

Definition of duplicate (verb)

1. make or do or perform again
   • "He could never replicate his brilliant performance of the magic trick"
   • synonyms: double, reduplicate, repeat, replicate
2. duplicate or match
   • "The polished surface twinned his face and chest in reverse"
   • synonyms: parallel, twin
3. make a duplicate or duplicates of
   • "Could you please duplicate this letter for me?"
4. increase twofold
   • "The population doubled within 50 years"
   • synonyms: double

DUPLICATE adjective

Definition of duplicate (adjective)

1. identically copied from an original
   • "a duplicate key"
2. being two identical
   • synonyms: matching, twin, twinned