billionaire
noun /ˌbɪljəˈneə(r)/
/ˌbɪljəˈner/
- an extremely rich person, who has at least a thousand million pounds, dollars, etc. in money or property
- a Texas billionaire
Oxford Collocations DictionaryBillionaire is used before these nouns:- businessman, businesswoman
Word Originmid 19th cent.: from billion, on the pattern of millionaire.