dup

¹ American

[duhp] / dʌp /

verb (used with object)

Archaic.

dupped, dupping

to open.

dup. ² American

abbreviation

duplicate.

dup British

/ dʌp /

verb

archaic (tr) to open

"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

Etymology

Origin of dup

1540–50; contraction of do ¹ + up; cf. doff, don ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

DUP MP Jim Shannon highlighted this lack of oversight a sector that predominantly caters for "sleep-deprived and vulnerable parents".

From BBC • Jun. 8, 2026

A DUP MP has rejected criticism of her after she was pictured at a protest standing near masked men.

From BBC • Jun. 7, 2026

The DUP MLA said ongoing attacks on the Fountain have left residents "intimidated and isolated".

From BBC • May 6, 2026

Sir Keir Starmer told the DUP leader he would ensure a review of the vetting process "covers all the relevant issues".

From BBC • Apr. 20, 2026

DUP leader Gavin Robinson said he did not want to see any disruption to emergency services or medical appointments as a result of fuel protests.

From BBC • Apr. 14, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023