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Definition of trillionaire

trillionaire

/ˌtrɪl.jəˈnɛər/
tril · lion · aire
Plural:trillionaires
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trillionaire Lexical Profile

trillionaire Game Scores & Validity

• noun

1

A person whose wealth or assets equal at least one trillion units of a given currency.

Example

"Economists debated when the rapid growth of the technology sector might produce the world's first dollar trillionaire."

Synonyms
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Antonyms
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• Rhymes for trillionaire

• Nearby Words

trill
triller
trillion
trillionaire
trillionth
trillium
trilobite

Word Origin & Etymology

Coined in the mid-19th century as a blend of "trillion" and "millionaire", modeled after French "millionnaire".

Cite this Entry

Wordmom. (2026). Definition of Trillionaire. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/trillionaire
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