English · Slang Attested

zillionaire

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

An incredibly rich person.

Where it’s used: Used American English

Examples

“Just dropping some friends off at the pool,” the 50-year-old zillionaire informed his 66 million Twitter followers on the evening of Nov. 29, having previously advised that at least half his tweets were “made on a porcelain throne.”

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 “zillionaire” mean?

An incredibly rich person.

Is “zillionaire” formal or informal?

zillionaire is generally humorous, slang.

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