noun, plural jif·fies. Informal.
a very short time; moment: to get dressed in a jiffy.
Also jiff [jif] /dʒɪf/.
Origin of jiffy
First recorded in 1770–80; origin uncertain
Synonyms for jiffy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
noun plural jiffies or jiffs
informal a very short timewait a jiffy
Word Origin for jiffy
C18: of unknown origin
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
1785, "a moment, an instant," colloquial, origin unknown; said to be originally thieves' slang for "lightning."
Online Etymology Dictionary, © 2010 Douglas Harper
see under in a flash.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.