katrillion
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
An unspecified large number (of).
Register: slang
Where it’s used:
Used
American English
Examples
Our own American culture also makes a lot of noise about hair. The katrillion-dollar industry thrives on selling hair products that were produced for five cents and sold for thirty dollars, part of which goes to the zillion-dollar advertising campaigns.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “katrillion” mean?
An unspecified large number (of).
Is “katrillion” formal or informal?
katrillion is generally slang.