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.
If a deer is seen crossing or standing beside a road, slow down, because deer can be highly unpredictable and often travel in herds. Gary Stoller, Forbes, 21 Nov. 2024 What’s clear is that Mr. Trump is unconventional, unpredictable, and transactional – traits that are likely to double as the de facto strategic guideposts for the next four years. Anna Mulrine Grobe, The Christian Science Monitor, 12 Nov. 2024 The president-elect is condemned by critics as a dangerous isolationist who emboldens strongmen and hailed by supporters as a forthright defender of American interests, and most observers at least agree that a second Trump era will be unpredictable. Chantal Da Silva, NBC News, 6 Nov. 2024 Nicole Orchard, 28, shared footage online of the unpredictable and exhausting reality of being a vent parent—one who has a child on a ventilator 24/7 because of a tracheostomy in his neck. David Faris, Newsweek, 4 Nov. 2024 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

Dictionary Entries Near unpredictable

Cite this Entry

“Unpredictable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpredictable. Accessed 1 Dec. 2024.

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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