duplicate

[ noun, adjective doo-pli-kit, dyoo-; verb doo-pli-keyt, dyoo- ]

/ noun, adjective ˈdu plɪ kɪt, ˈdyu-; verb ˈdu plɪˌkeɪt, ˈdyu- /

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noun

a copy exactly like an original.

anything corresponding in all respects to something else.

Cards. a duplicate game.

verb (used with object), du·pli·cat·ed, du·pli·cat·ing.

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.

verb (used without object), du·pli·cat·ed, du·pli·cat·ing.

to become duplicate.

adjective

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.

Nearby words

duplex process, duplex pump, duplex uterus, duplexer, duplicable, duplicate, duplicate bridge, duplicating machine, duplication, duplication of chromosomes, duplication of the cube

Idioms

in duplicate, in two copies, especially two identical copies: Please type the letter in duplicate.

Origin of duplicate

1400–50; late Middle English < Latin duplicātus (past participle of duplicāre to make double), equivalent to duplic- (stem of duplex) duplex + -ātus -ate¹

SYNONYMS FOR duplicate

1 facsimile, replica, reproduction.

4 See imitate.

9 twofold.

ANTONYMS FOR duplicate

1 original.

Related forms

du·pli·ca·tive, adjectivenon·du·pli·cat·ing, adjectivenon·du·pli·ca·tive, adjectivepre·du·pli·cate, verb (used with object), pre·du·pli·cat·ed, pre·du·pli·cat·ing.

qua·si-du·pli·cate, adjectiveself-du·pli·cat·ing, adjectiveun·du·pli·cat·ed, adjectiveun·du·pli·ca·tive, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for duplicative

Many of these proposals are often duplicative and tied to a news event.
The Hottest Constitutional Amendments of 2013|Ben Jacobs|December 26, 2013|DAILY BEAST
Many of these forms are needed for vital government functions, but others are duplicative, overly complex or obsolete.
Complete State of the Union Addresses from 1790 to 2006|Various
But it can hardly be said that the duplicative process is of a distinctively grammatical significance in English.
Language|Edward Sapir

British Dictionary definitions for duplicative

duplicate

adjective (ˈdjuːplɪkɪt)

copied exactly from an original

identical

existing as a pair or in pairs; twofold

noun (ˈdjuːplɪkɪt)

an exact copy; double

something additional or supplementary of the same kind

two exact copies (esp in the phrase in duplicate)

verb (ˈdjuːplɪˌkeɪt)

(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

Derived Formsduplicable (ˈdjuːplɪkəbəl), adjectiveduplicability, nounduplicately, adverbduplicative, adjective

Word Origin for duplicate

C15: from Latin duplicāre to double, from duo two + plicāre to fold

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

duplicate

noun

verb (used with object), du·pli·cat·ed, du·pli·cat·ing.

verb (used without object), du·pli·cat·ed, du·pli·cat·ing.

adjective

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Nearby words

Idioms

Origin of duplicate

Examples from the Web for duplicative

British Dictionary definitions for duplicative

duplicate

adjective (ˈdjuːplɪkɪt)

noun (ˈdjuːplɪkɪt)

verb (ˈdjuːplɪˌkeɪt)

Word Origin for duplicate