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dup

[ duhp ]
/ dʌp /
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verb (used with object), dupped, dup·ping.Archaic.

to open.

QUIZZES

QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.
Question 1 of 7
Which one of these commonly confused words can act as an adverb or a pronoun?

Origin of dup

1540–50; contraction of do1 + up; cf. doff, don2

Definition for dup (2 of 2)

dup.

abbreviation

duplicate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for dup (1 of 2)

dup
/ (dʌp) /

verb dups, dupping or dupped

(tr) archaic, or dialect to open

Word Origin for dup

C16: contraction of do 1 + up

British Dictionary definitions for dup (2 of 2)

D up

verb (adverb)

Australian sport
  1. to set up a defence
  2. to mark an opponent
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
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