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Definitions

beta

[bey-tuh, bee-] / ˈbeɪ tə, ˈbi- /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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He also courted strong and straight — and unavailable — alpha men to whom he appeared happy to play the beta role of political ingénue.

From Salon Jul. 13, 2026

It will launch in beta later this year for iPhones that are compatible with Apple Intelligence.

From The Wall Street Journal Jun. 9, 2026

A beta version of Siri AI will be available later this year to supported devices set to English -- although not in the EU.

From BBC Jun. 8, 2026

They also noted that the beta — which measures volatility in comparison to the wider market — of value and growth have swapped places, mainly driven by Big Tech and the artificial-intelligence industry.

From MarketWatch May 26, 2026

“Yes, beta, we know. We called the front office. They say they will probably let you out soon. They want to make sure that everything is okay before releasing students from school.”

From "Love, Hate & Other Filters" by Samira Ahmed

While most of those chip makers have “betas” greater than 1—meaning their daily moves in the last few years have been larger than the S&P 500’s moves—all of the stocks above have betas below 1.

From Barron's Jun. 16, 2026

Consider the performance of a hypothetical portfolio that buys the 10% of stocks with the highest betas and sells short the decile of stocks with the lowest betas.

From MarketWatch Oct. 23, 2025

“We’re betas pretending to be alphas,” Denton said.

From New York Times Nov. 3, 2022

But Apple’s also made an under-the-radar change to some of the iPhone’s sounds, which some of us hear at The Verge noticed while using the betas.

From The Verge Aug. 24, 2022

Greek letters move across the undersides of his eyelids: isosceles triangles, betas, sine curves.

From "All the Light We Cannot See" by Anthony Doerr




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