squillionaire
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
An incredibly rich person.
Register: humorous, slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “squillionaire” mean?
An incredibly rich person.
Is “squillionaire” formal or informal?
squillionaire is generally humorous, slang.