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
Singularity is the hypothetical point when AI surpasses human intelligence, causing unpredictable change.
—
Lola Murti, CNBC, 10 Mar. 2026
Heightened levels of neural entropy — at the whole brain level — could be thought of as an unforeseen tropical thunderstorm rolling through the brain, indicating a richer, more chaotic, unpredictable state of neural activity.
—Conor Feehly, Big Think, 10 Mar. 2026
These performers have to react in real time to an unpredictable person while keeping elaborate storylines on track.
—Hanna Wickes, Kansas City Star, 9 Mar. 2026
Pack a poncho or raincoat and bring layers to prepare for unpredictable Texas weather.
—Ana Gutierrez, Austin American Statesman, 9 Mar. 2026
See All Example Sentences for unpredictable
Lola Murti, CNBC, 10 Mar. 2026
Heightened levels of neural entropy — at the whole brain level — could be thought of as an unforeseen tropical thunderstorm rolling through the brain, indicating a richer, more chaotic, unpredictable state of neural activity.
—Conor Feehly, Big Think, 10 Mar. 2026
These performers have to react in real time to an unpredictable person while keeping elaborate storylines on track.
—Hanna Wickes, Kansas City Star, 9 Mar. 2026
Pack a poncho or raincoat and bring layers to prepare for unpredictable Texas weather.
—Ana Gutierrez, Austin American Statesman, 9 Mar. 2026
See All Example Sentences for unpredictable
Recent Examples of Synonyms for unpredictable
Adjective
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Ultraviolet light from its host star triggers the creation of sulfur dioxide in the upper atmosphere, and a massive sub-surface magma ocean acts as a buffer, storing and releasing volatile gases over billions of years.—
Mrigakshi Dixit,
Interesting Engineering,
16 Mar. 2026
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The volatile crude oil prices causing retail gasoline prices to swing up sharply have had the same effect on the price of jet fuel.—
Arkansas Online,
Arkansas Online,
15 Mar. 2026
Adjective
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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
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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
Adjective
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This is why the price may soon surpass a new record, even with other market conditions unstable.—
Matt Richardson,
CBS News,
12 Mar. 2026
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This novel explores the unique bond that siblings in unstable families can form, and is especially shrewd on how sisters define themselves in negative space.—
Brittany Allen,
Literary Hub,
11 Mar. 2026
Cite this Entry
“Unpredictable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpredictable. Accessed 17 Mar. 2026.
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