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
Each response is a surprise, tapping into the psychological principle of intermittent reinforcement, famously demonstrated by psychologist B.F. Skinner, where unpredictable rewards significantly amplify behaviors, much like gambling addiction.
—
Curt Steinhorst, Forbes.com, 20 June 2025
Bright lights, unpredictable noises, unfamiliar smells, and the pressure to 'behave' in a certain way can quickly overwhelm a child whose brain processes the world differently.
—Jack Beresford, MSNBC Newsweek, 19 June 2025
Listen to this article CROMWELL — The language is filled with quotes to suggest how difficult the game of golf has always been: Frustrating, humbling, unpredictable.
—Dom Amore, Hartford Courant, 19 June 2025
The Big Apple is full of complex, unpredictable scenarios for the Waymo Driver software to handle: Jaywalking pedestrians, trucks parked in the street, complex intersections, heavy rains, and harsh winter weather, to name a few.
—Emily Forlini, PC Magazine, 19 June 2025
See All Example Sentences for unpredictable
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Curt Steinhorst, Forbes.com, 20 June 2025
Bright lights, unpredictable noises, unfamiliar smells, and the pressure to 'behave' in a certain way can quickly overwhelm a child whose brain processes the world differently.
—Jack Beresford, MSNBC Newsweek, 19 June 2025
Listen to this article CROMWELL — The language is filled with quotes to suggest how difficult the game of golf has always been: Frustrating, humbling, unpredictable.
—Dom Amore, Hartford Courant, 19 June 2025
The Big Apple is full of complex, unpredictable scenarios for the Waymo Driver software to handle: Jaywalking pedestrians, trucks parked in the street, complex intersections, heavy rains, and harsh winter weather, to name a few.
—Emily Forlini, PC Magazine, 19 June 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 27 Jun. 2025.
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