Definition of “billionaire” - English Dictionary

american-english dictionary

“billionaire” in British English

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billionairenoun [ C ]

uk /ˌbɪl.jəˈneər/ us /ˌbɪl.jəˈner/

Examples from literature

  • So maybe that second business will make you a billionaire! 
  • Billionaire and world-master though he was, that night he knew his heart lay dead within him. 
  • Had he collected the royalties his inventions merited, he would have been a billionaire twice or thrice over. 
  • I never thought of it from that point of view, admitted the billionaire. 
  • Just what I would do if I were a billionaire! 
  • Oh, none of us are really quite billionaires. 

(Definition of “billionaire” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“billionaire” in American English

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billionairenoun [ C ]

us /ˌbɪl·jəˈneər/

someone who has more than a billion dollars (= $1,000,000,000) in the form of property, possessions, or money

(Definition of “billionaire” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“billionaire” in Business English

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billionairenoun [ C ]

uk /ˌbɪljəˈneər/ us /-ˈner/

a person who has money, property, etc. that is worth at least a billion dollars, pounds, euros, etc.:

The new mayor is a billionaire with no prior government experience.

(Definition of “billionaire” from the Cambridge Business English Dictionary © Cambridge University Press)