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
Synonyms
Examples of unpredictable in a Sentence
Recent Examples on the Web
LLMs contain the ethnic, racial, and gender biases of the data they were trained on, which could influence second opinions in unpredictable and harmful ways.
—
Adam Rodman, STAT, 3 May 2024
And even if an effective vaccine was available, most flu vaccines are still produced with old-fashioned technology that relies on growing virus in eggs — this can take months to make enough and can be unpredictable.
—Rob Stein, NPR, 3 May 2024
See all Example Sentences for unpredictable 
Adam Rodman, STAT, 3 May 2024
And even if an effective vaccine was available, most flu vaccines are still produced with old-fashioned technology that relies on growing virus in eggs — this can take months to make enough and can be unpredictable.
—Rob Stein, NPR, 3 May 2024
See all Example Sentences for unpredictable
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unpredictable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Unpredictable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpredictable. Accessed 9 May. 2024.
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