unpredictable

🇺🇸 /ˌʌnprɪˈdɪktəbl/ 🇬🇧 /ˌʌnprɪˈdɪktəbl/
Frequency
Difficulty
Tags TOP10000CEFR-B2
adjective
R

Not able to be known in advance because it changes often or depends on many things.

The weather is unpredictable, so always carry an umbrella just in case.

R

A person whose actions or behavior cannot be guessed beforehand.

He is so unpredictable that you never know how he will react.

translation

adj. Not able to be known in advance because it changes often or depends on many things.; A person whose actions or behavior cannot be guessed beforehand.