Dictionary.com
definitions

reflate

[ri-fleyt]
verb (used without object), re·flat·ed, re·flat·ing.
  1. to increase again the amount of money and credit in circulation.
verb (used with object), re·flat·ed, re·flat·ing.
  1. to increase (money and credit) again.

Origin of reflate

First recorded in 1930–35; back formation from reflation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for reflate

reflate

verb
  1. to inflate or be inflated again

Word Origin for reflate

C20: back formation from reflation
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