billionairess

noun

bil·​lion·​air·​ess ¦bi(l)-yə-¦ner-əs 

plural billionairesses

: 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

Word History

First Known Use

1881, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!