A badillion vs Trillion

When to use each in English, with meaning, register, and examples.

A badillion

InformalBeyond 10,000 (less common)

Trillion

Top 3,000 (common)B2
Most formal: TrillionMost common: Trillion
 A badillionTrillion
Pronunciation🇬🇧 //bæˈdɪl.jən//🇺🇸 //bæˈdɪl.jən//🇬🇧 /["/ˈtrɪljən/"]/🇺🇸 /["/ˈtrɪljən/"]/
MeaningA very large number or amount.A trillion is a very large number, equal to one thousand billion.
ExampleThere are a badillion stars in the sky.The national debt has risen to over a trillion dollars.
RegisterInformalNeutral
How commonBeyond 10,000 (less common)Top 3,000 (common)
CEFR level-B2
Collocationsa badillion times, a badillion dollars, a badillion starstrillion dollars, trillion stars, trillion dollars market
Antonyms-none
Common mistakesUsed as a precise number, Confused with 'billion', Assumed to be a real mathematical termConfused with 'billion' or 'million', leading to incorrect values., Omitting the term when discussing large budgets or figures.
Usage notes'Badillion' is a humorous or exaggerated way to express an immense quantity. It's not used in formal contexts.Use 'trillion' when discussing large quantities, especially in finance or science. It's best to avoid in casual conversations where simpler terms are sufficient.

See it in real clips

A badillion

Frequently asked questions: A badillion vs Trillion

What's the difference between A badillion and Trillion?

A badillion: A very large number or amount. Trillion: A trillion is a very large number, equal to one thousand billion.

Which is more formal: A badillion and Trillion?

Trillion is the most formal of these.

Which is more common: A badillion and Trillion?

Trillion is the most common in everyday English.

Can you show an example of each?

A badillion: There are a badillion stars in the sky. Trillion: The national debt has risen to over a trillion dollars.

Can I use A badillion and Trillion interchangeably?

Not always. A badillion and Trillion are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.