Katrillionaire
noun, slang ·Uncommon ·College level
Definitions
- 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.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.