bil·​lion·​air·​ess | \ ¦bi(l)-yə-¦ner-əs How to pronounce billionairess (audio) \
plural billionairesses

Definition of billionairess

: a woman whose wealth is estimated at a billion or more dollars, pounds, or other monetary units Otto, by the way, had moved on from Buddhism to super-capitalism, had married a billionairess fifteen years his senior and was now a prominent figure both in Hollywood and on the Eurotrash party circuit.— Salman Rushdie, The Ground Beneath Her Feet, 2000

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First Known Use of billionairess

1881, in the meaning defined above

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The first known use of billionairess was in 1881

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billion-dollar grass

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Cite this Entry

“Billionairess.” Dictionary, Merriam-Webster, Accessed 21 May. 2022.

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