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verb (used with or without object), up·sized, up·sizing.
  1. to increase in size, as by hiring additional employees; expand: to upsize a business.

Origin of upsize

First recorded in 1985–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for upsize


verb (tr)
  1. to increase the operating costs of (a company) by increasing the number of people it employs
  2. to increase the size of or produce a larger version of (something)

Word Origin

C20: modelled on downsize
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