Unpredictable

Pronunciation: /ˌʌnprɪˈdɪktəbəl/

Unpredictable (adjective)

  1. Something that cannot be guessed or foreseen easily.
  2. Something that changes often and is hard to understand or expect.

Examples

  • The weather can be unpredictable at times.
  • His mood is often unpredictable and can change quickly.

Common collocations: unpredictable behavior, unpredictable results, unpredictable changes, unpredictable events

Synonyms of Unpredictable

Formal

Neutral

Antonyms of Unpredictable

  • Something that can be anticipated or expected.