Duplicate Definition

do͝oplĭ-kĭt, dyo͝o-

duplicated, duplicates, duplicating

adjective

Identically copied from an original.

American Heritage

Double.

Webster's New World

Having two similar parts.

Webster's New World

Corresponding exactly.

Webster's New World

Denoting a manner of play in cards in which partnerships or teams play the same deals and compare scores at the end.

Duplicate bridge.

American Heritage

Synonyms:

Antonyms:

noun

duplicates

An exact copy or reproduction; replica; facsimile.

Webster's New World

A counterpart or double.

Webster's New World

One that corresponds exactly to another, especially an original.

American Heritage

A card game in which partnerships or teams play the same deals and compare scores at the end.

American Heritage

The game of duplicate bridge.

Webster's New World

Synonyms:

Antonyms:

verb

duplicated, duplicates, duplicating

To make double or twofold.

Webster's New World

To make an exact copy or copies of.

Webster's New World

To make, do, or cause to happen again.

Webster's New World

To become duplicate.

American Heritage

To make a copy of.

If we duplicate the information, are we really accomplishing much?

Wiktionary

Synonyms:

idiom

in duplicate

in two identical copies

Webster's New World

Other Word Forms of Duplicate

Noun

Singular:

duplicate

Plural:

duplicates

Idioms, Phrasal Verbs Related to Duplicate

in duplicate

Origin of Duplicate

Middle English from Latin duplicātus past participle of duplicāre to double from duplex duplic- twofold dwo- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
Borrowing from Latin duplicātus, perfect passive participle of duplicō.

From Wiktionary