dup

[ duhp ]
/ dʌp /

verb (used with object), dupped, dup·ping.Archaic.

to open.

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WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM

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Question 1 of 9
“I do believe that the buck stops here, that I cannot rely upon public opinion polls to tell me what is right. I do believe that right makes might and that if I am wrong, 10 angels swearing I was right would make no difference.”

Origin of dup

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

Definition for dup (2 of 2)

dup.

duplicate.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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