Zillionaire

noun, slang

noun, slang ·3 syllables ·Moderate ·College level

Definitions

Noun
  1. 1
    An incredibly rich person. humorous, slang

    "“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.”"

Example

More 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.”"

Etymology

From zillion + -aire.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.