unpredictable

word

/ˌənpɹɪˈdɪktəbəɫ/
un-pri-DIK-tuh-buhl
/ʌnpɹɪdˈɪktəbəl/
un-pri-DIK-tuh-buhl

Definition

Describes something that cannot be guessed or known in advance because it changes suddenly or behaves in unexpected ways.

Usage & Nuances

Usually describes weather, people, events, or things whose behavior or outcome is hard to expect. Common collocations: 'unpredictable weather', 'unpredictable results'. Often used in both positive and negative contexts. Not used for things that are always random (like dice).

Example Sentences

He’s fun to be around, but he can be a bit unpredictable sometimes.

natural

The weather here is very unpredictable.

basic

Her mood is often unpredictable.

basic

The ending of that movie was unpredictable.

basic

The stock market is highly unpredictable these days.

natural

Life is full of unpredictable moments.

natural