millionairess

[ mil-yuh-nair-is ]
/ ˌmɪl yəˈnɛər ɪs /

noun

a woman who is a millionaire.
the wife of a millionaire.

Origin of millionairess

First recorded in 1880–85; millionaire + -ess

Usage note

See -ess.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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