- a copy exactly like an original.
- anything corresponding in all respects to something else.
- Cards. a duplicate game.
- to make an exact copy of.
- to do or perform again; repeat: He duplicated his father's way of standing with his hands in his pockets.
- to double; make twofold.
- to become duplicate.
- exactly like or corresponding to something else: duplicate copies of a letter.
- consisting of or existing in two identical or corresponding parts; double.
- Cards. noting a game in which each team plays a series of identical hands, the winner being the team making the best total score.
- in duplicate, in two copies, especially two identical copies: Please type the letter in duplicate.
Origin of duplicate
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for duplicate
He lost the bet on the twenty-eighth question, when a duplicate birthday turned up.Portrait of the Consummate Con Man
May 17, 2014
Wayne has infused the whole operation with a spirit of joy and dedication that is stealth seasoning no one can duplicate.The Texas Church of Beef
Jane & Michael Stern
April 27, 2014
And it does seem true that Bitcoins are very hard to forge or duplicate.Inside Japan’s Bitcoin Heist
February 28, 2014
Son of God is trying to duplicate the grassroots strategy that paid off for Gibson.Will ‘Son of God’ Be the Next Grassroots Christian Blockbuster?
February 19, 2014
Illegible handwriting and typos lead to errors and duplicate entries.A Bipartisan Path to Fixing America’s Broken Elections
January 24, 2014
It might have been the parlor of the White Springs Hotel in duplicate, plush self-rocker and all.K
Mary Roberts Rinehart
I want you to help me get them out, and not duplicate yours.It Happened in Egypt
C. N. Williamson
He and Jenkins had duplicate keys to the desks, letter-box, etc.The Channings
Mrs. Henry Wood
If you pass the physical test, perhaps you can duplicate my record.City of Endless Night
Without a word he sat down also, in a duplicate of their pose.Louisiana Lou
William West Winter
- copied exactly from an original
- existing as a pair or in pairs; twofold
- an exact copy; double
- something additional or supplementary of the same kind
- two exact copies (esp in the phrase in duplicate)
- (tr) to make a replica of
- (tr) to do or make again
- (tr) to make in a pair; make double
- (intr) biology to reproduce by dividing into two identical partsthe chromosomes duplicated in mitosis
Word Origin and History for duplicate
1620s, "to double," from Latin duplicatus, past participle of duplicare (see duplicate (adj.)). Meaning "make an exact copy" is from 1640s (implied in duplicated). Related: Duplicating. The noun is first recorded 1530s.