unpredictable

adjective

un·​pre·​dict·​able ˌən-pri-ˈdik-tə-bəl How to pronounce unpredictable (audio)
: not predictable: such as
a
: not able to be known or declared in advance
unpredictable weather
b
: tending to behave in ways that cannot be predicted
an unpredictable boss
unpredictably adverb
changes that occur unpredictably
unpredictability noun
the unpredictability of the weather

Examples of unpredictable in a Sentence

unpredictable spring weather that makes it really hard to know what to wear
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The source said Republicans view Powell as an important pillar of stability in the U.S. economy amid Trump’s unpredictable tariff war against foreign trading partners, including allies such as Canada, Japan, South Korean and Taiwan. Alexander Bolton, The Hill, 22 Apr. 2025 Spring temps can be unpredictable, so don’t forget to add on a pashmina-style shawl and some statement earrings. Jené Luciani Sena, FOXNews.com, 21 Apr. 2025 Understanding regional industry nuances and navigating unpredictable sales cycles are as critical as technological advancement. Jamil Wyne, Forbes.com, 21 Apr. 2025 An unpredictable, yet favorable outcome for the Gross family. Mike Kaye, Charlotte Observer, 17 Apr. 2025 See All Example Sentences for unpredictable

Word History

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of unpredictable was in 1840

Browse Nearby Words

Cite this Entry

“Unpredictable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpredictable. Accessed 27 Apr. 2025.

Kids Definition

unpredictable

adjective
un·​pre·​dict·​able
ˌən-pri-ˈdik-tə-bəl
: not predictable
unpredictability
-ˌdik-tə-ˈbil-ət-ē
noun
unpredictably
-ˈdik-tə-blē
adverb

More from Merriam-Webster on unpredictable

Last Updated: - Updated example sentences
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