umptillion
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
An extremely large, unspecified number.
Register: slang
Where it’s used:
Used
American English
Examples
The cosmos is stranger than I can know: full of change, full of beauty. The rich tapestry of interlocking fields and forces weaves umptillion configurations, and every one is beautiful.
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 “umptillion” mean?
An extremely large, unspecified number.
Is “umptillion” formal or informal?
umptillion is generally slang.