volatility
Americannoun
Explanation
Volatility is the trait of being excitable and unpredictable. Your volatility might ultimately be the thing that makes you unsuitable as a preschool teacher. The noun volatility is the characteristic of changing often and unpredictably. Your sister's volatility might be shown in how quickly she switches from laughing to crying. If you talk about the volatility of the stock market, stock prices are most likely fluctuating wildly. In chemistry, volatility means the speed with which a substance changes from solid to liquid, liquid to vapor, and so on. The root is the Latin volatilis, "fleeting, transitory, flying."
Vocabulary lists containing volatility
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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.
Saylor has been anxious to promote the preferred stock, extolling its high-yield/ low volatility returns.
From MarketWatch • Apr. 16, 2026
Bank of America’s strong quarterly results were helped by market volatility and an easier regulatory environment.
From The Wall Street Journal • Apr. 16, 2026
JPMorgan Chase beat first-quarter earnings expectations, with volatility from the Iran conflict leading to record market revenue and with consumers continuing to spend in the face of higher gasoline prices.
From The Wall Street Journal • Apr. 15, 2026
In that sense, the lack of volatility could suggest that the worst of the cycle is already behind us, with the market now stabilizing and setting the stage for a more constructive backdrop ahead.
From Barron's • Apr. 15, 2026
The most striking change in his personality was his volatility: good news triggered uncontained outbursts of joy, often extinguished only through increasingly acrobatic bouts of physical exercise, while bad news plunged him into inconsolable desolation.
From "The Gene" by Siddhartha Mukherjee
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.