Meaning of the word unpredictably in English

What does unpredictably mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unpredictably

US /ˌʌn.prɪˈdɪk.tə.bli/
UK /ˌʌn.prɪˈdɪk.tə.bli/

Adverb

1.

in a way that is likely to change suddenly and without reason:

Example:
The disease seems to strike unpredictably, appearing in patients with no family history.
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