billionaire
/ˌbɪl.i.əˈnɛə(ɹ)/
Proposed by a contributor, not yet supported by evidence.
Also seen as: billionaires
Meaning · English
Somebody whose wealth is at least one billion (10⁹) currency units (usually understood to exclude holders of hyperinflated currencies).
Noun
Examples
Private-equity nabobs bristle at being dubbed mere financiers.[…]Much of their pleading is public-relations bluster. Clever financial ploys are what have made billionaires of the industry’s veterans. “Operational improvement” in a portfolio company has often meant little more than promising colossal
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
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Common questions
What does “billionaire” mean?
Somebody whose wealth is at least one billion (10⁹) currency units (usually understood to exclude holders of hyperinflated currencies).
Is “billionaire” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.
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