- an indefinitely vast number; zillion.
- of or noting such a quantity: a jillion problems.
Origin of jillion
First recorded in 1940–45; expressive formation based on million, billion, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for jillion
But of course, the majority will say this knowing that this Congress will never in a jillion years write that sentence.The GOP Could Make Obama Kill Obamacare
November 10, 2014
You heard this one a jillion times back when the law was being debated.The Five Biggest Lies About Obamacare
August 17, 2014
Would you ever in a jillion years suggest that your candidate take on racism within the GOP as a speech topic?You’re in Denial if You Think Steve Israel Is Wrong About GOP Racism
April 14, 2014
I've said all this a jillion times before, but it is simply not a mainstream political party in the traditional American sense.A Word on "Obamabot"-ism
May 1, 2013
Except that neither CAP nor Wallis would ever dream of doing such a thing in a jillion years.Why Must We Take the Family Research Council Seriously?
September 17, 2012
- informal an extremely large number or amountjillions of pounds
C20: fanciful coinage based on million, billion, etc
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
Word Origin and History for jillion
by 1939, arbitrary coinage, modeled on million, etc.
Online Etymology Dictionary, © 2010 Douglas Harper