Katrillionaire

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    An extremely wealthy person. informal

    "[…] a sort of modern-day Sabrina-esque story where a young woman, Abby (played by the lovely Chloe Eliot), the daughter of a deeply indebted, widowed summer cook in the Hamptons, ends up living happily ever after with a self-made katrillionaire Bill Gates type (but he's handsome, young, and hip) whose life isn't as easy as it sounds, […]"

Example

More examples

"[…] a sort of modern-day Sabrina-esque story where a young woman, Abby (played by the lovely Chloe Eliot), the daughter of a deeply indebted, widowed summer cook in the Hamptons, ends up living happily ever after with a self-made katrillionaire Bill Gates type (but he's handsome, young, and hip) whose life isn't as easy as it sounds, […]"

Etymology

From katrillion + -aire.

More for "katrillionaire"

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