billionaire

noun bil·lion·aire \ ˌbi(l)-yə-ˈner , ˈbi(l)-yə-ˌ \
Updated on: 9 Jan 2018

Definition of billionaire

: one whose wealth is estimated at a billion or more (as of dollars or pounds)

Recent Examples of billionaire from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'billionaire.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of billionaire

billion + -aire (as in millionaire)


BILLIONAIRE Defined for English Language Learners

billionaire

noun

Definition of billionaire for English Language Learners

  • : a rich person who has at least a billion dollars, pounds, etc.



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