jillion

American  

[jil-yuhn] / ˈdʒɪl yən /

noun

1. an indefinitely vast number; zillion.

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adjective

1. of or noting such a quantity.

   a jillion problems.

jillion British  

/ ˈdʒɪljən /

noun

1. informal an extremely large number or amount

   jillions of pounds

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Other Word Forms

• jillionth noun

Etymology

Origin of jillion

First recorded in 1940–45; expressive formation based on million, billion, etc.

Example Sentences

But there’s a reason those books sell a jillion copies: It does help to hear that YouCanDoH4rdTh1ng5!

From Slate • Apr. 14, 2024

It’s not unlike opening your garbage can and taking a big sniff, but multiplied by about one jillion.

From Seattle Times • Jan. 5, 2024

But that was no earworm — and neither is “Eazy Sleazy,” with lyrics that could have been pulled from any one of a jillion rambling, cranky COVID-19 diaries.

From Los Angeles Times • Apr. 13, 2021

Each week I read a jillion jokes to find the best material, Deciding which to print with my authority imperial.

From Washington Post • Feb. 18, 2021

‘This place makes the snake house at the zoo look like a Sunday school picnic,” I said, referring to the fact that I couldn’t see much besides a jillion loops of umbilical line.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins