noun
- a person whose wealth equals or exceeds one billion units of currency
Examples
- The tech entrepreneur became a billionaire after his company went public.
- Several billionaires have pledged to donate most of their wealth to charity.
- She is one of the youngest billionaires in the world.
- The billionaire’s mansion has over fifty rooms.
- Many billionaires invest in space exploration companies.
- The list of billionaires changes frequently due to stock market fluctuations.