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zillion

[ zil-yuhn ]
/ ˈzɪl yən /
Informal.
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See synonyms for: zillion / zillions on Thesaurus.com

noun, plural zil·lions, (as after a numeral) zil·lion.
an extremely large, indeterminate number.
adjective
of, relating to, or amounting to a zillion.
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Origin of zillion

First recorded in 1930–35; jocular alteration of million, billion, etc.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use zillion in a sentence

British Dictionary definitions for zillion

zillion
/ (ˈzɪljən) informal /

noun plural -lions or -lion
(often plural) an extremely large but unspecified number, quantity, or amountzillions of flies in this camp
determiner
  1. amounting to a zilliona zillion different problems
  2. (as pronoun)I found a zillion under the sink

Word Origin for zillion

C20: on the model of million
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
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