Dictionary.com

dup

[ duhp ]
/ dʌp /
Save This Word!

verb (used with object), dupped, dup·ping.Archaic.
to open.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of dup

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

Other definitions for dup (2 of 2)

dup.

abbreviation
duplicate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use dup in a sentence

  • Such a strident chorus of "Get-daps," "Geh-langs," "Hud-dups!"

    When Life Was Young|C. A. Stephens

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
FEEDBACK