• synonyms


verb (used with object), dupped, dup·ping. Archaic.
  1. to open.
Show More

Origin of dup

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


  1. duplicate.
Show More
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for dup

Historical Examples of dup

  • He wriggled round so that he faced forward, reached out gleefully, caught the front fetlocks, and cried "Dup!"

    Flying U Ranch

    B. M. Bower

British Dictionary definitions for dup


verb dups, dupping or dupped
  1. (tr) archaic, or dialect to open
Show More

Word Origin for dup

C16: contraction of do 1 + up
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