billionaire
noun
bil·lion·aire
ˌbi(l)-yə-ˈner 
ˈbi(l)-yə-ˌner
: one whose wealth is estimated at a billion or more dollars, pounds, or other monetary units
Examples of billionaire in a Sentence
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Dudley notably received a $1 million contribution from Phil Knight, the billionaire co-founder of Nike, which is based in Oregon.
—
ABC News, 19 May 2026
The initial investigation into the billionaire’s death by Spanish authorities was closed in January 2025, and deemed an accident with no signs of any criminal wrongdoing.
—Rosemary Feitelberg, Footwear News, 19 May 2026
The son of a billionaire fashion mogul whose clothing company sells apparel across the United States was arrested Tuesday in Spain as authorities investigate his father’s death after a fall in a mountainous tourist area near Barcelona, according to Reuters.
—Sarah Rumpf-Whitten, FOXNews.com, 19 May 2026
The end of the trial marked a loss for Musk in an early battle between two tech billionaires, who were once close friends.
—Leonie Kidd, CNBC, 19 May 2026
See All Example Sentences for billionaire
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ABC News, 19 May 2026
The initial investigation into the billionaire’s death by Spanish authorities was closed in January 2025, and deemed an accident with no signs of any criminal wrongdoing.
—Rosemary Feitelberg, Footwear News, 19 May 2026
The son of a billionaire fashion mogul whose clothing company sells apparel across the United States was arrested Tuesday in Spain as authorities investigate his father’s death after a fall in a mountainous tourist area near Barcelona, according to Reuters.
—Sarah Rumpf-Whitten, FOXNews.com, 19 May 2026
The end of the trial marked a loss for Musk in an early battle between two tech billionaires, who were once close friends.
—Leonie Kidd, CNBC, 19 May 2026
See All Example Sentences for billionaire
Cite this Entry
“Billionaire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/billionaire. Accessed 20 May. 2026.
Copy CitationKids Definition
billionaire
noun
bil·lion·aire
ˌbil-yə-ˈna(ə)r
-ˈne(ə)r;
ˈbil-yə-ˌna(ə)r,
-ˌne(ə)r
: one whose wealth is a billion dollars or more
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