zillion
C2Pronunciation
UK
- /zˈɪliən/
US
- /ˈzɪljən/
Description
- Huge amount
- Countless
- Very large number
- Indefinite quantity
- Informal exaggeration
Ever wish you had a zillion dollars? Or maybe a zillion toys? The word "zillion" is not actually a real number, but it is used to express an incredibly large, indefinite quantity. It is like saying "a whole lot" or "tons and tons." You would not use it in a math problem (unless you were being silly!), but it is perfect for exaggerating how much of something there is. If your little brother claims he has a zillion LEGO bricks, you know he probably has a lot. It is often used playfully or to emphasize the sheer scale of something.
"Zillion" isn't found in any official mathematical dictionary! It's an informal word created by mimicking the numerical pattern of real large numbers like "million," "billion," and "trillion." While it doesn't represent a specific mathematical quantity, "zillion" effectively conveys the idea of something being immeasurably huge.
It's almost always used hyperbolically—meaning as an exaggeration for effect. You might say, "There were a zillion stars in the sky last night," or "I have a zillion things to do today." It is rarely used in formal writing or serious technical contexts. Think of it as a playful way to emphasize a very large amount without needing to be precise.
Over time, "zillion" has become a familiar part of everyday English as a fun, informal way to express an enormous quantity, even though the number itself is made up. So next time you want to emphasize just how much of something there is, you can reach for "zillion." Just remember, it is not a number you can count on!
Examples
- 1
Repeated reminders
I've told you a zillion times to turn off the lights.
Usage
a zillion times
an informal exaggeration meaning very many times
- 2
Paperwork
The form asked for a zillion details before I could finish it.
- 3
Night sky
On a clear night, it feels like there are zillions of stars above us.
- 4
Rare chance
Finding my ring under the sofa was a one-in-a-zillion chance.
Phrase
one in a zillion
extremely unlikely
Forms and spellings
1 form open this card.
Main spelling
- zillionnounadjective