unpredictable
adjective/ˌʌnprɪˈdɪktəbl/
/ˌʌnprɪˈdɪktəbl/
- that cannot be predicted because it changes a lot or depends on too many different things
- The unpredictable weather in the mountains can make climbing extremely hazardous.
- The result is entirely unpredictable.
- Role play trains students to deal with the unpredictable nature of language.
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- if a person is unpredictable, you cannot predict how they will behave in a particular situation
- Her behaviour became so unpredictable when she had been drinking.
- No-one knows where they stand with him; he is utterly unpredictable.
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unpredictable