Definition of billionaire in English:


Line breaks: bil¦lion|aire
Pronunciation: /bɪljəˈnɛː


A person possessing assets worth at least a billion pounds or dollars.
More example sentences
  • Melbourne is filling with tycoons, moguls, magnates, billionaires and mere millionaires.
  • And there are multi-millionaires and billionaires earning hundreds of millions of dollars per year.
  • Last year there were 497 billionaires with a net worth of 1.54 trillion dollars.


mid 19th century: from billion, on the pattern of millionaire.

Definition of billionaire in:

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Pronunciation: dɪˈmɒrəlʌɪz
cause (someone) to lose confidence or hope