unpredictable

/ˌʌnprɪˈdɪktəbəl/
adjectiveIntermediate difficult to foresee or anticipate
general

Not able to be predicted or foreseen; changeable or uncertain

Her moods are unpredictable; she can be happy one moment and angry the next.

Her emotions change suddenly without clear reasons.

The stock market is highly unpredictable, making it risky for new investors.

Its behavior is hard to forecast, leading to potential losses.

💡

Often used to describe situations, people, or systems that behave in ways that are hard to anticipate.

Collocations

unpredictable behavioractions that are hard to foreseeunpredictable weatherweather that changes suddenlyunpredictable resultsoutcomes that are uncertain

Related Phrases

go with the flowphrase
to adapt to unpredictable situations
expect the unexpectedphrase
to be prepared for unpredictable events

💡Pro Tip

Usage in Context

Use 'unpredictable' to describe things that are hard to plan for, like weather or human behavior.

Gold Rule

Avoid Overuse

While useful, overusing 'unpredictable' can make your writing sound vague. Specify details when possible.

📖Word Origin

From 'un-' (not) + 'predictable' (able to be predicted), with 'predictable' derived from Latin 'praedicere' (to foretell).

📝Usage Notes

Commonly used in contexts where outcomes or behaviors are hard to anticipate, such as weather, human emotions, or financial markets.

Word Breakdown

un-
not
prefix
+
predict
to foresee or foretell
root
+
-able
able to be
suffix
English Dictionary