unpredictable
adjective
un·pre·dict·able
ˌən-pri-ˈdik-tə-bəl 
: 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
Examples of unpredictable in a Sentence
unpredictable spring weather that makes it really hard to know what to wear
Recent Examples on the Web
Comets are notoriously unpredictable, so Comet Lemmon's surprising visibility has felt like a bit of a cosmic bonus for Hawaiian stargazers.
—
Kenna Hughes-Castleberry, Space.com, 12 Dec. 2025
Auroras are unpredictable by nature — skies must be clear and local light pollution must be minimal to boost your odds.
—Valerie Mesa, PEOPLE, 12 Dec. 2025
The way that life unfolds in herky-jerky, unpredictable rhythms informs the experimental approach that Dijon, a 33-year-old producer-singer, takes to R&B.
—Spencer Kornhaber, The Atlantic, 12 Dec. 2025
Machine learning models can produce unreliable, unpredictable and unexplainable outcomes.
—Anjana Susarla, The Conversation, 12 Dec. 2025
See All Example Sentences for unpredictable
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Kenna Hughes-Castleberry, Space.com, 12 Dec. 2025
Auroras are unpredictable by nature — skies must be clear and local light pollution must be minimal to boost your odds.
—Valerie Mesa, PEOPLE, 12 Dec. 2025
The way that life unfolds in herky-jerky, unpredictable rhythms informs the experimental approach that Dijon, a 33-year-old producer-singer, takes to R&B.
—Spencer Kornhaber, The Atlantic, 12 Dec. 2025
Machine learning models can produce unreliable, unpredictable and unexplainable outcomes.
—Anjana Susarla, The Conversation, 12 Dec. 2025
See All Example Sentences for unpredictable
Cite this Entry
“Unpredictable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpredictable. Accessed 19 Dec. 2025.
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