as in volatile
likely to change frequently, suddenly, or unexpectedly
unpredictable spring weather that makes it really hard to know what to wear
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Recent Examples of unpredictable
In one study, researchers induced postnatal stress in a mouse (confining her, forcing her to swim) and separated her from her pups at unpredictable intervals.
—
Jessica Winter, New Yorker, 14 July 2025
Trump criticized the Russian leader, describing Putin as unpredictable.
—Callum Sutherland, Time, 14 July 2025
Editor-in-chief C. B. Cebulski, Ultimate editor Wil Moss, and some of the line’s hit creators discuss the imprint’s success while revealing the bold and unpredictable storytelling still on the horizon.
—Phillip Molnar, San Diego Union-Tribune, 12 July 2025
But the administration's approach remains unpredictable—Trump has continued to voice his desire for the US to remain an AI leader while trying to keep top tech out of the hands of China, creating a challenging environment for Nvidia to navigate.
—ArsTechnica, 9 July 2025
See All Example Sentences for unpredictable
Jessica Winter, New Yorker, 14 July 2025
Trump criticized the Russian leader, describing Putin as unpredictable.
—Callum Sutherland, Time, 14 July 2025
Editor-in-chief C. B. Cebulski, Ultimate editor Wil Moss, and some of the line’s hit creators discuss the imprint’s success while revealing the bold and unpredictable storytelling still on the horizon.
—Phillip Molnar, San Diego Union-Tribune, 12 July 2025
But the administration's approach remains unpredictable—Trump has continued to voice his desire for the US to remain an AI leader while trying to keep top tech out of the hands of China, creating a challenging environment for Nvidia to navigate.
—ArsTechnica, 9 July 2025
See All Example Sentences for unpredictable
Recent Examples of Synonyms for unpredictable
Adjective
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That matters for investors seeking capital preservation as equity and bond markets remain volatile.—
Artem Milinchuk,
Forbes.com,
10 July 2025
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Yet, her bounce-back with a 2-under across the next 15 holes shows how volatile golf can be.—
Devlina Sarkar,
MSNBC Newsweek,
10 July 2025
Adjective
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Hers is the kind of face that inspires directors to tight framing — gleaming, as if smoothed from marble, and yet somehow pliant, changeful.—
Jordan Kisner Jack Davison,
New York Times,
11 Oct. 2022
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Rigorous, blustery winter; winding sleety spring; hot, moist enervating summer; changeful autumn with its dog-days; these are absolutely unknown.—
San Diego Union-Tribune,
San Diego Union-Tribune,
1 Jan. 2023
Adjective
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For manufacturers using Odoo, a strategic approach to agentic AI can help prepare for unstable markets, rising costs, shifting customer demands and hostile geopolitics.—
Dmitriy Stepanov,
Forbes.com,
8 July 2025
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But Haiti remains unstable, Columbus' Manuel said, disputing the government's claim that conditions have improved there.—
Danae King,
USA Today,
7 July 2025
Cite this Entry
“Unpredictable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpredictable. Accessed 22 Jul. 2025.
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